Home / 19,515.38-29,272.03-5,476.39

Finding the Fourth Proportional to 19,515.38, 29,272.03 and 5,476.39

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Solution

The fourth proportional to 19,515.38, 29,272.03 and 5,476.39 is: 8,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.38 : 29,272.03 = 5,476.39 : x
  2. Step 2: Convert to fraction form
    19,515.38/29,272.03 = 5,476.39/x
  3. Step 3: Cross multiply
    19,515.38x = 29,272.03 × 5,476.39
  4. Step 4: Simplify right side
    19,515.38x = 160,304,965.50
  5. Step 5: Solve for x
    x = 160,304,965.50/19,515.38
  6. Step 6: Final answer
    x = 8,214.29

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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.