Home / 16,515.87-24,731.49-9,112.11

Finding the Fourth Proportional to 16,515.87, 24,731.49 and 9,112.11

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Solution

The fourth proportional to 16,515.87, 24,731.49 and 9,112.11 is: 13,644.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.87 : 24,731.49 = 9,112.11 : x
  2. Step 2: Convert to fraction form
    16,515.87/24,731.49 = 9,112.11/x
  3. Step 3: Cross multiply
    16,515.87x = 24,731.49 × 9,112.11
  4. Step 4: Simplify right side
    16,515.87x = 225,356,057.34
  5. Step 5: Solve for x
    x = 225,356,057.34/16,515.87
  6. Step 6: Final answer
    x = 13,644.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.