Home / 20,854.05-31,251.91-9,733.15

Finding the Fourth Proportional to 20,854.05, 31,251.91 and 9,733.15

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Solution

The fourth proportional to 20,854.05, 31,251.91 and 9,733.15 is: 14,586.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854.05 : 31,251.91 = 9,733.15 : x
  2. Step 2: Convert to fraction form
    20,854.05/31,251.91 = 9,733.15/x
  3. Step 3: Cross multiply
    20,854.05x = 31,251.91 × 9,733.15
  4. Step 4: Simplify right side
    20,854.05x = 304,179,527.82
  5. Step 5: Solve for x
    x = 304,179,527.82/20,854.05
  6. Step 6: Final answer
    x = 14,586.11

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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.