Home / 18,327.12-27,493.38-6,637.61

Finding the Fourth Proportional to 18,327.12, 27,493.38 and 6,637.61

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Solution

The fourth proportional to 18,327.12, 27,493.38 and 6,637.61 is: 9,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.12 : 27,493.38 = 6,637.61 : x
  2. Step 2: Convert to fraction form
    18,327.12/27,493.38 = 6,637.61/x
  3. Step 3: Cross multiply
    18,327.12x = 27,493.38 × 6,637.61
  4. Step 4: Simplify right side
    18,327.12x = 182,490,196.55
  5. Step 5: Solve for x
    x = 182,490,196.55/18,327.12
  6. Step 6: Final answer
    x = 9,957.39

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1.5x scale

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.