Home / 16,034.13-22,120.83-9,318.56

Finding the Fourth Proportional to 16,034.13, 22,120.83 and 9,318.56

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Solution

The fourth proportional to 16,034.13, 22,120.83 and 9,318.56 is: 12,855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,034.13 : 22,120.83 = 9,318.56 : x
  2. Step 2: Convert to fraction form
    16,034.13/22,120.83 = 9,318.56/x
  3. Step 3: Cross multiply
    16,034.13x = 22,120.83 × 9,318.56
  4. Step 4: Simplify right side
    16,034.13x = 206,134,171.00
  5. Step 5: Solve for x
    x = 206,134,171.00/16,034.13
  6. Step 6: Final answer
    x = 12,855.96

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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.