Home / 15,587.28-21,508.04-8,962

Finding the Fourth Proportional to 15,587.28, 21,508.04 and 8,962

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Solution

The fourth proportional to 15,587.28, 21,508.04 and 8,962 is: 12,366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587.28 : 21,508.04 = 8,962 : x
  2. Step 2: Convert to fraction form
    15,587.28/21,508.04 = 8,962/x
  3. Step 3: Cross multiply
    15,587.28x = 21,508.04 × 8,962
  4. Step 4: Simplify right side
    15,587.28x = 192,755,054.48
  5. Step 5: Solve for x
    x = 192,755,054.48/15,587.28
  6. Step 6: Final answer
    x = 12,366.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.