Home / 10,125.30-15,265.86-9,943.86

Finding the Fourth Proportional to 10,125.30, 15,265.86 and 9,943.86

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Solution

The fourth proportional to 10,125.30, 15,265.86 and 9,943.86 is: 14,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.30 : 15,265.86 = 9,943.86 : x
  2. Step 2: Convert to fraction form
    10,125.30/15,265.86 = 9,943.86/x
  3. Step 3: Cross multiply
    10,125.30x = 15,265.86 × 9,943.86
  4. Step 4: Simplify right side
    10,125.30x = 151,801,574.62
  5. Step 5: Solve for x
    x = 151,801,574.62/10,125.30
  6. Step 6: Final answer
    x = 14,992.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.