Home / 15,142.53-22,598.66-14,139.86

Finding the Fourth Proportional to 15,142.53, 22,598.66 and 14,139.86

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Solution

The fourth proportional to 15,142.53, 22,598.66 and 14,139.86 is: 21,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.53 : 22,598.66 = 14,139.86 : x
  2. Step 2: Convert to fraction form
    15,142.53/22,598.66 = 14,139.86/x
  3. Step 3: Cross multiply
    15,142.53x = 22,598.66 × 14,139.86
  4. Step 4: Simplify right side
    15,142.53x = 319,541,704.90
  5. Step 5: Solve for x
    x = 319,541,704.90/15,142.53
  6. Step 6: Final answer
    x = 21,102.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.