Home / 15,519.78-23,279.72-5,659.04

Finding the Fourth Proportional to 15,519.78, 23,279.72 and 5,659.04

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Solution

The fourth proportional to 15,519.78, 23,279.72 and 5,659.04 is: 8,488.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519.78 : 23,279.72 = 5,659.04 : x
  2. Step 2: Convert to fraction form
    15,519.78/23,279.72 = 5,659.04/x
  3. Step 3: Cross multiply
    15,519.78x = 23,279.72 × 5,659.04
  4. Step 4: Simplify right side
    15,519.78x = 131,740,866.67
  5. Step 5: Solve for x
    x = 131,740,866.67/15,519.78
  6. Step 6: Final answer
    x = 8,488.58

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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.