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Finding the Fourth Proportional to 16,660.61, 22,992.53 and 9,589.31

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Solution

The fourth proportional to 16,660.61, 22,992.53 and 9,589.31 is: 13,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.61 : 22,992.53 = 9,589.31 : x
  2. Step 2: Convert to fraction form
    16,660.61/22,992.53 = 9,589.31/x
  3. Step 3: Cross multiply
    16,660.61x = 22,992.53 × 9,589.31
  4. Step 4: Simplify right side
    16,660.61x = 220,482,497.85
  5. Step 5: Solve for x
    x = 220,482,497.85/16,660.61
  6. Step 6: Final answer
    x = 13,233.76

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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.