Home / 10,135.91-15,220.72-6,264.92

Finding the Fourth Proportional to 10,135.91, 15,220.72 and 6,264.92

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Solution

The fourth proportional to 10,135.91, 15,220.72 and 6,264.92 is: 9,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.91 : 15,220.72 = 6,264.92 : x
  2. Step 2: Convert to fraction form
    10,135.91/15,220.72 = 6,264.92/x
  3. Step 3: Cross multiply
    10,135.91x = 15,220.72 × 6,264.92
  4. Step 4: Simplify right side
    10,135.91x = 95,356,593.14
  5. Step 5: Solve for x
    x = 95,356,593.14/10,135.91
  6. Step 6: Final answer
    x = 9,407.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.