Home / 15,450.60-21,324.78-9,166.44

Finding the Fourth Proportional to 15,450.60, 21,324.78 and 9,166.44

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Solution

The fourth proportional to 15,450.60, 21,324.78 and 9,166.44 is: 12,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.60 : 21,324.78 = 9,166.44 : x
  2. Step 2: Convert to fraction form
    15,450.60/21,324.78 = 9,166.44/x
  3. Step 3: Cross multiply
    15,450.60x = 21,324.78 × 9,166.44
  4. Step 4: Simplify right side
    15,450.60x = 195,472,316.38
  5. Step 5: Solve for x
    x = 195,472,316.38/15,450.60
  6. Step 6: Final answer
    x = 12,651.44

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Half scale
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Double scale
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Similar ratio
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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.