Home / 16,226.72-22,391.20-11,980.04

Finding the Fourth Proportional to 16,226.72, 22,391.20 and 11,980.04

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Solution

The fourth proportional to 16,226.72, 22,391.20 and 11,980.04 is: 16,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,226.72 : 22,391.20 = 11,980.04 : x
  2. Step 2: Convert to fraction form
    16,226.72/22,391.20 = 11,980.04/x
  3. Step 3: Cross multiply
    16,226.72x = 22,391.20 × 11,980.04
  4. Step 4: Simplify right side
    16,226.72x = 268,247,471.65
  5. Step 5: Solve for x
    x = 268,247,471.65/16,226.72
  6. Step 6: Final answer
    x = 16,531.22

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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.