Home / 19,446.72-29,170.08-7,759.68

Finding the Fourth Proportional to 19,446.72, 29,170.08 and 7,759.68

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Solution

The fourth proportional to 19,446.72, 29,170.08 and 7,759.68 is: 11,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.72 : 29,170.08 = 7,759.68 : x
  2. Step 2: Convert to fraction form
    19,446.72/29,170.08 = 7,759.68/x
  3. Step 3: Cross multiply
    19,446.72x = 29,170.08 × 7,759.68
  4. Step 4: Simplify right side
    19,446.72x = 226,350,486.37
  5. Step 5: Solve for x
    x = 226,350,486.37/19,446.72
  6. Step 6: Final answer
    x = 11,639.52

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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.