Home / 15,587.19-23,367.42-5,721.39

Finding the Fourth Proportional to 15,587.19, 23,367.42 and 5,721.39

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Solution

The fourth proportional to 15,587.19, 23,367.42 and 5,721.39 is: 8,577.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587.19 : 23,367.42 = 5,721.39 : x
  2. Step 2: Convert to fraction form
    15,587.19/23,367.42 = 5,721.39/x
  3. Step 3: Cross multiply
    15,587.19x = 23,367.42 × 5,721.39
  4. Step 4: Simplify right side
    15,587.19x = 133,694,123.11
  5. Step 5: Solve for x
    x = 133,694,123.11/15,587.19
  6. Step 6: Final answer
    x = 8,577.18

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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.