Home / 19,854.18-29,748.24-13,282.20

Finding the Fourth Proportional to 19,854.18, 29,748.24 and 13,282.20

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Solution

The fourth proportional to 19,854.18, 29,748.24 and 13,282.20 is: 19,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.18 : 29,748.24 = 13,282.20 : x
  2. Step 2: Convert to fraction form
    19,854.18/29,748.24 = 13,282.20/x
  3. Step 3: Cross multiply
    19,854.18x = 29,748.24 × 13,282.20
  4. Step 4: Simplify right side
    19,854.18x = 395,122,073.33
  5. Step 5: Solve for x
    x = 395,122,073.33/19,854.18
  6. Step 6: Final answer
    x = 19,901.20

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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.