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Finding the Fourth Proportional to 12,402.53, 17,115.62 and 6,737.34

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Solution

The fourth proportional to 12,402.53, 17,115.62 and 6,737.34 is: 9,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.53 : 17,115.62 = 6,737.34 : x
  2. Step 2: Convert to fraction form
    12,402.53/17,115.62 = 6,737.34/x
  3. Step 3: Cross multiply
    12,402.53x = 17,115.62 × 6,737.34
  4. Step 4: Simplify right side
    12,402.53x = 115,313,810.88
  5. Step 5: Solve for x
    x = 115,313,810.88/12,402.53
  6. Step 6: Final answer
    x = 9,297.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.