Home / 15,446.60-23,169.90-9,213.65

Finding the Fourth Proportional to 15,446.60, 23,169.90 and 9,213.65

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Solution

The fourth proportional to 15,446.60, 23,169.90 and 9,213.65 is: 13,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.60 : 23,169.90 = 9,213.65 : x
  2. Step 2: Convert to fraction form
    15,446.60/23,169.90 = 9,213.65/x
  3. Step 3: Cross multiply
    15,446.60x = 23,169.90 × 9,213.65
  4. Step 4: Simplify right side
    15,446.60x = 213,479,349.14
  5. Step 5: Solve for x
    x = 213,479,349.14/15,446.60
  6. Step 6: Final answer
    x = 13,820.48

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.