Home / 22,872.38-31,563.88-13,440.94

Finding the Fourth Proportional to 22,872.38, 31,563.88 and 13,440.94

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Solution

The fourth proportional to 22,872.38, 31,563.88 and 13,440.94 is: 18,548.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,872.38 : 31,563.88 = 13,440.94 : x
  2. Step 2: Convert to fraction form
    22,872.38/31,563.88 = 13,440.94/x
  3. Step 3: Cross multiply
    22,872.38x = 31,563.88 × 13,440.94
  4. Step 4: Simplify right side
    22,872.38x = 424,248,104.74
  5. Step 5: Solve for x
    x = 424,248,104.74/22,872.38
  6. Step 6: Final answer
    x = 18,548.49

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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.