Home / 19,947.66-29,932.92-10,087.74

Finding the Fourth Proportional to 19,947.66, 29,932.92 and 10,087.74

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Solution

The fourth proportional to 19,947.66, 29,932.92 and 10,087.74 is: 15,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.66 : 29,932.92 = 10,087.74 : x
  2. Step 2: Convert to fraction form
    19,947.66/29,932.92 = 10,087.74/x
  3. Step 3: Cross multiply
    19,947.66x = 29,932.92 × 10,087.74
  4. Step 4: Simplify right side
    19,947.66x = 301,955,514.40
  5. Step 5: Solve for x
    x = 301,955,514.40/19,947.66
  6. Step 6: Final answer
    x = 15,137.39

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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.