Home / 19,517.76-29,266.80-8,984.64

Finding the Fourth Proportional to 19,517.76, 29,266.80 and 8,984.64

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Solution

The fourth proportional to 19,517.76, 29,266.80 and 8,984.64 is: 13,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.76 : 29,266.80 = 8,984.64 : x
  2. Step 2: Convert to fraction form
    19,517.76/29,266.80 = 8,984.64/x
  3. Step 3: Cross multiply
    19,517.76x = 29,266.80 × 8,984.64
  4. Step 4: Simplify right side
    19,517.76x = 262,951,661.95
  5. Step 5: Solve for x
    x = 262,951,661.95/19,517.76
  6. Step 6: Final answer
    x = 13,472.43

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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.