Home / 17,947.43-24,768.26-9,990.17

Finding the Fourth Proportional to 17,947.43, 24,768.26 and 9,990.17

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Solution

The fourth proportional to 17,947.43, 24,768.26 and 9,990.17 is: 13,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.43 : 24,768.26 = 9,990.17 : x
  2. Step 2: Convert to fraction form
    17,947.43/24,768.26 = 9,990.17/x
  3. Step 3: Cross multiply
    17,947.43x = 24,768.26 × 9,990.17
  4. Step 4: Simplify right side
    17,947.43x = 247,438,954.21
  5. Step 5: Solve for x
    x = 247,438,954.21/17,947.43
  6. Step 6: Final answer
    x = 13,786.88

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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.