Home / 22,424.16-30,942.40-13,348.16

Finding the Fourth Proportional to 22,424.16, 30,942.40 and 13,348.16

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Solution

The fourth proportional to 22,424.16, 30,942.40 and 13,348.16 is: 18,418.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,424.16 : 30,942.40 = 13,348.16 : x
  2. Step 2: Convert to fraction form
    22,424.16/30,942.40 = 13,348.16/x
  3. Step 3: Cross multiply
    22,424.16x = 30,942.40 × 13,348.16
  4. Step 4: Simplify right side
    22,424.16x = 413,024,105.98
  5. Step 5: Solve for x
    x = 413,024,105.98/22,424.16
  6. Step 6: Final answer
    x = 18,418.71

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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.