Home / 16,244.20-22,416.87-9,170.38

Finding the Fourth Proportional to 16,244.20, 22,416.87 and 9,170.38

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Solution

The fourth proportional to 16,244.20, 22,416.87 and 9,170.38 is: 12,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,244.20 : 22,416.87 = 9,170.38 : x
  2. Step 2: Convert to fraction form
    16,244.20/22,416.87 = 9,170.38/x
  3. Step 3: Cross multiply
    16,244.20x = 22,416.87 × 9,170.38
  4. Step 4: Simplify right side
    16,244.20x = 205,571,216.31
  5. Step 5: Solve for x
    x = 205,571,216.31/16,244.20
  6. Step 6: Final answer
    x = 12,655.05

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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.