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Finding the Fourth Proportional to 8,544.73, 11,706.35 and 8,225.20

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Solution

The fourth proportional to 8,544.73, 11,706.35 and 8,225.20 is: 11,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.73 : 11,706.35 = 8,225.20 : x
  2. Step 2: Convert to fraction form
    8,544.73/11,706.35 = 8,225.20/x
  3. Step 3: Cross multiply
    8,544.73x = 11,706.35 × 8,225.20
  4. Step 4: Simplify right side
    8,544.73x = 96,287,000.81
  5. Step 5: Solve for x
    x = 96,287,000.81/8,544.73
  6. Step 6: Final answer
    x = 11,268.58

Related Problems

Find fourth proportional to 4,272.37, 5,853.17 and 4,112.60
Half scale
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Double scale
Find fourth proportional to 8,545.73, 11,707.72 and 8,226.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.