Home / 10,230.76-14,115.03-8,339.08

Finding the Fourth Proportional to 10,230.76, 14,115.03 and 8,339.08

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Solution

The fourth proportional to 10,230.76, 14,115.03 and 8,339.08 is: 11,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.76 : 14,115.03 = 8,339.08 : x
  2. Step 2: Convert to fraction form
    10,230.76/14,115.03 = 8,339.08/x
  3. Step 3: Cross multiply
    10,230.76x = 14,115.03 × 8,339.08
  4. Step 4: Simplify right side
    10,230.76x = 117,706,364.37
  5. Step 5: Solve for x
    x = 117,706,364.37/10,230.76
  6. Step 6: Final answer
    x = 11,505.14

Related Problems

Find fourth proportional to 5,115.38, 7,057.52 and 4,169.54
Half scale
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Double scale
Find fourth proportional to 10,231.76, 14,116.41 and 8,340.08
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.