Home / 10,130.20-15,195.30-9,035.80

Finding the Fourth Proportional to 10,130.20, 15,195.30 and 9,035.80

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Solution

The fourth proportional to 10,130.20, 15,195.30 and 9,035.80 is: 13,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.20 : 15,195.30 = 9,035.80 : x
  2. Step 2: Convert to fraction form
    10,130.20/15,195.30 = 9,035.80/x
  3. Step 3: Cross multiply
    10,130.20x = 15,195.30 × 9,035.80
  4. Step 4: Simplify right side
    10,130.20x = 137,301,691.74
  5. Step 5: Solve for x
    x = 137,301,691.74/10,130.20
  6. Step 6: Final answer
    x = 13,553.70

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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.