Home / 19,833.39-29,711.21-8,713.71

Finding the Fourth Proportional to 19,833.39, 29,711.21 and 8,713.71

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Solution

The fourth proportional to 19,833.39, 29,711.21 and 8,713.71 is: 13,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.39 : 29,711.21 = 8,713.71 : x
  2. Step 2: Convert to fraction form
    19,833.39/29,711.21 = 8,713.71/x
  3. Step 3: Cross multiply
    19,833.39x = 29,711.21 × 8,713.71
  4. Step 4: Simplify right side
    19,833.39x = 258,894,824.12
  5. Step 5: Solve for x
    x = 258,894,824.12/19,833.39
  6. Step 6: Final answer
    x = 13,053.48

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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.