Home / 19,845.28-29,765.12-6,695.92

Finding the Fourth Proportional to 19,845.28, 29,765.12 and 6,695.92

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Solution

The fourth proportional to 19,845.28, 29,765.12 and 6,695.92 is: 10,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.28 : 29,765.12 = 6,695.92 : x
  2. Step 2: Convert to fraction form
    19,845.28/29,765.12 = 6,695.92/x
  3. Step 3: Cross multiply
    19,845.28x = 29,765.12 × 6,695.92
  4. Step 4: Simplify right side
    19,845.28x = 199,304,828.83
  5. Step 5: Solve for x
    x = 199,304,828.83/19,845.28
  6. Step 6: Final answer
    x = 10,042.93

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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.