Home / 15,463.25-21,339.33-8,389.73

Finding the Fourth Proportional to 15,463.25, 21,339.33 and 8,389.73

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Solution

The fourth proportional to 15,463.25, 21,339.33 and 8,389.73 is: 11,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,463.25 : 21,339.33 = 8,389.73 : x
  2. Step 2: Convert to fraction form
    15,463.25/21,339.33 = 8,389.73/x
  3. Step 3: Cross multiply
    15,463.25x = 21,339.33 × 8,389.73
  4. Step 4: Simplify right side
    15,463.25x = 179,031,110.38
  5. Step 5: Solve for x
    x = 179,031,110.38/15,463.25
  6. Step 6: Final answer
    x = 11,577.85

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Double scale
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1.5x scale

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.