Home / 15,849.13-23,781.89-8,057.95

Finding the Fourth Proportional to 15,849.13, 23,781.89 and 8,057.95

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Solution

The fourth proportional to 15,849.13, 23,781.89 and 8,057.95 is: 12,091.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,849.13 : 23,781.89 = 8,057.95 : x
  2. Step 2: Convert to fraction form
    15,849.13/23,781.89 = 8,057.95/x
  3. Step 3: Cross multiply
    15,849.13x = 23,781.89 × 8,057.95
  4. Step 4: Simplify right side
    15,849.13x = 191,633,280.53
  5. Step 5: Solve for x
    x = 191,633,280.53/15,849.13
  6. Step 6: Final answer
    x = 12,091.09

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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.