Home / 15,129.02-22,686.63-6,359.15

Finding the Fourth Proportional to 15,129.02, 22,686.63 and 6,359.15

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Solution

The fourth proportional to 15,129.02, 22,686.63 and 6,359.15 is: 9,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.02 : 22,686.63 = 6,359.15 : x
  2. Step 2: Convert to fraction form
    15,129.02/22,686.63 = 6,359.15/x
  3. Step 3: Cross multiply
    15,129.02x = 22,686.63 × 6,359.15
  4. Step 4: Simplify right side
    15,129.02x = 144,267,569.73
  5. Step 5: Solve for x
    x = 144,267,569.73/15,129.02
  6. Step 6: Final answer
    x = 9,535.82

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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.