Home / 16,218.68-22,381.80-8,766.68

Finding the Fourth Proportional to 16,218.68, 22,381.80 and 8,766.68

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Solution

The fourth proportional to 16,218.68, 22,381.80 and 8,766.68 is: 12,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.68 : 22,381.80 = 8,766.68 : x
  2. Step 2: Convert to fraction form
    16,218.68/22,381.80 = 8,766.68/x
  3. Step 3: Cross multiply
    16,218.68x = 22,381.80 × 8,766.68
  4. Step 4: Simplify right side
    16,218.68x = 196,214,078.42
  5. Step 5: Solve for x
    x = 196,214,078.42/16,218.68
  6. Step 6: Final answer
    x = 12,098.03

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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.