Home / 16,218.12-22,381.04-8,766.12

Finding the Fourth Proportional to 16,218.12, 22,381.04 and 8,766.12

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Solution

The fourth proportional to 16,218.12, 22,381.04 and 8,766.12 is: 12,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.12 : 22,381.04 = 8,766.12 : x
  2. Step 2: Convert to fraction form
    16,218.12/22,381.04 = 8,766.12/x
  3. Step 3: Cross multiply
    16,218.12x = 22,381.04 × 8,766.12
  4. Step 4: Simplify right side
    16,218.12x = 196,194,882.36
  5. Step 5: Solve for x
    x = 196,194,882.36/16,218.12
  6. Step 6: Final answer
    x = 12,097.26

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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.