Home / 19,513.28-29,286.60-7,834.88

Finding the Fourth Proportional to 19,513.28, 29,286.60 and 7,834.88

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Solution

The fourth proportional to 19,513.28, 29,286.60 and 7,834.88 is: 11,759.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.28 : 29,286.60 = 7,834.88 : x
  2. Step 2: Convert to fraction form
    19,513.28/29,286.60 = 7,834.88/x
  3. Step 3: Cross multiply
    19,513.28x = 29,286.60 × 7,834.88
  4. Step 4: Simplify right side
    19,513.28x = 229,456,996.61
  5. Step 5: Solve for x
    x = 229,456,996.61/19,513.28
  6. Step 6: Final answer
    x = 11,759.02

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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.