Home / 16,287.35-22,475.90-9,215.24

Finding the Fourth Proportional to 16,287.35, 22,475.90 and 9,215.24

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Solution

The fourth proportional to 16,287.35, 22,475.90 and 9,215.24 is: 12,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287.35 : 22,475.90 = 9,215.24 : x
  2. Step 2: Convert to fraction form
    16,287.35/22,475.90 = 9,215.24/x
  3. Step 3: Cross multiply
    16,287.35x = 22,475.90 × 9,215.24
  4. Step 4: Simplify right side
    16,287.35x = 207,120,766.64
  5. Step 5: Solve for x
    x = 207,120,766.64/16,287.35
  6. Step 6: Final answer
    x = 12,716.66

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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.