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Finding the Fourth Proportional to 9,541.39, 13,164.90 and 8,280.22

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Solution

The fourth proportional to 9,541.39, 13,164.90 and 8,280.22 is: 11,424.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,541.39 : 13,164.90 = 8,280.22 : x
  2. Step 2: Convert to fraction form
    9,541.39/13,164.90 = 8,280.22/x
  3. Step 3: Cross multiply
    9,541.39x = 13,164.90 × 8,280.22
  4. Step 4: Simplify right side
    9,541.39x = 109,008,202.45
  5. Step 5: Solve for x
    x = 109,008,202.45/9,541.39
  6. Step 6: Final answer
    x = 11,424.78

Related Problems

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Half scale
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Double scale
Find fourth proportional to 9,542.39, 13,166.28 and 8,281.22
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.