Home / 16,187.20-22,338.31-9,113.65

Finding the Fourth Proportional to 16,187.20, 22,338.31 and 9,113.65

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Solution

The fourth proportional to 16,187.20, 22,338.31 and 9,113.65 is: 12,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,187.20 : 22,338.31 = 9,113.65 : x
  2. Step 2: Convert to fraction form
    16,187.20/22,338.31 = 9,113.65/x
  3. Step 3: Cross multiply
    16,187.20x = 22,338.31 × 9,113.65
  4. Step 4: Simplify right side
    16,187.20x = 203,583,594.78
  5. Step 5: Solve for x
    x = 203,583,594.78/16,187.20
  6. Step 6: Final answer
    x = 12,576.82

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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.