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Finding the Fourth Proportional to 13,532, 20,304.08 and 8,600.36

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Solution

The fourth proportional to 13,532, 20,304.08 and 8,600.36 is: 12,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532 : 20,304.08 = 8,600.36 : x
  2. Step 2: Convert to fraction form
    13,532/20,304.08 = 8,600.36/x
  3. Step 3: Cross multiply
    13,532x = 20,304.08 × 8,600.36
  4. Step 4: Simplify right side
    13,532x = 174,622,397.47
  5. Step 5: Solve for x
    x = 174,622,397.47/13,532
  6. Step 6: Final answer
    x = 12,904.40

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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.