Home / 16,209.20-22,368.70-8,757.20

Finding the Fourth Proportional to 16,209.20, 22,368.70 and 8,757.20

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Solution

The fourth proportional to 16,209.20, 22,368.70 and 8,757.20 is: 12,084.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,209.20 : 22,368.70 = 8,757.20 : x
  2. Step 2: Convert to fraction form
    16,209.20/22,368.70 = 8,757.20/x
  3. Step 3: Cross multiply
    16,209.20x = 22,368.70 × 8,757.20
  4. Step 4: Simplify right side
    16,209.20x = 195,887,179.64
  5. Step 5: Solve for x
    x = 195,887,179.64/16,209.20
  6. Step 6: Final answer
    x = 12,084.94

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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.