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Finding the Fourth Proportional to 16,656.86, 24,985.26 and 4,344.86

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Solution

The fourth proportional to 16,656.86, 24,985.26 and 4,344.86 is: 6,517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,656.86 : 24,985.26 = 4,344.86 : x
  2. Step 2: Convert to fraction form
    16,656.86/24,985.26 = 4,344.86/x
  3. Step 3: Cross multiply
    16,656.86x = 24,985.26 × 4,344.86
  4. Step 4: Simplify right side
    16,656.86x = 108,557,331.84
  5. Step 5: Solve for x
    x = 108,557,331.84/16,656.86
  6. Step 6: Final answer
    x = 6,517.28

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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.