Home / 18,737.24-28,071.99-11,713.91

Finding the Fourth Proportional to 18,737.24, 28,071.99 and 11,713.91

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Solution

The fourth proportional to 18,737.24, 28,071.99 and 11,713.91 is: 17,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737.24 : 28,071.99 = 11,713.91 : x
  2. Step 2: Convert to fraction form
    18,737.24/28,071.99 = 11,713.91/x
  3. Step 3: Cross multiply
    18,737.24x = 28,071.99 × 11,713.91
  4. Step 4: Simplify right side
    18,737.24x = 328,832,624.02
  5. Step 5: Solve for x
    x = 328,832,624.02/18,737.24
  6. Step 6: Final answer
    x = 17,549.69

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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.