Home / 10,332.82-15,519.15-8,855.38

Finding the Fourth Proportional to 10,332.82, 15,519.15 and 8,855.38

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Solution

The fourth proportional to 10,332.82, 15,519.15 and 8,855.38 is: 13,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.82 : 15,519.15 = 8,855.38 : x
  2. Step 2: Convert to fraction form
    10,332.82/15,519.15 = 8,855.38/x
  3. Step 3: Cross multiply
    10,332.82x = 15,519.15 × 8,855.38
  4. Step 4: Simplify right side
    10,332.82x = 137,427,970.53
  5. Step 5: Solve for x
    x = 137,427,970.53/10,332.82
  6. Step 6: Final answer
    x = 13,300.14

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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.