Home / 16,218.18-22,381.11-8,766.18

Finding the Fourth Proportional to 16,218.18, 22,381.11 and 8,766.18

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Solution

The fourth proportional to 16,218.18, 22,381.11 and 8,766.18 is: 12,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.18 : 22,381.11 = 8,766.18 : x
  2. Step 2: Convert to fraction form
    16,218.18/22,381.11 = 8,766.18/x
  3. Step 3: Cross multiply
    16,218.18x = 22,381.11 × 8,766.18
  4. Step 4: Simplify right side
    16,218.18x = 196,196,838.86
  5. Step 5: Solve for x
    x = 196,196,838.86/16,218.18
  6. Step 6: Final answer
    x = 12,097.34

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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.