Home / 16,191.93-22,344.42-9,118.20

Finding the Fourth Proportional to 16,191.93, 22,344.42 and 9,118.20

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Solution

The fourth proportional to 16,191.93, 22,344.42 and 9,118.20 is: 12,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.93 : 22,344.42 = 9,118.20 : x
  2. Step 2: Convert to fraction form
    16,191.93/22,344.42 = 9,118.20/x
  3. Step 3: Cross multiply
    16,191.93x = 22,344.42 × 9,118.20
  4. Step 4: Simplify right side
    16,191.93x = 203,740,890.44
  5. Step 5: Solve for x
    x = 203,740,890.44/16,191.93
  6. Step 6: Final answer
    x = 12,582.87

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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.