Home / 16,121.10-22,245.92-9,046.16

Finding the Fourth Proportional to 16,121.10, 22,245.92 and 9,046.16

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Solution

The fourth proportional to 16,121.10, 22,245.92 and 9,046.16 is: 12,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.10 : 22,245.92 = 9,046.16 : x
  2. Step 2: Convert to fraction form
    16,121.10/22,245.92 = 9,046.16/x
  3. Step 3: Cross multiply
    16,121.10x = 22,245.92 × 9,046.16
  4. Step 4: Simplify right side
    16,121.10x = 201,240,151.67
  5. Step 5: Solve for x
    x = 201,240,151.67/16,121.10
  6. Step 6: Final answer
    x = 12,483.03

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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.