Home / 22,474.26-31,013.08-12,402.69

Finding the Fourth Proportional to 22,474.26, 31,013.08 and 12,402.69

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Solution

The fourth proportional to 22,474.26, 31,013.08 and 12,402.69 is: 17,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,474.26 : 31,013.08 = 12,402.69 : x
  2. Step 2: Convert to fraction form
    22,474.26/31,013.08 = 12,402.69/x
  3. Step 3: Cross multiply
    22,474.26x = 31,013.08 × 12,402.69
  4. Step 4: Simplify right side
    22,474.26x = 384,645,469.88
  5. Step 5: Solve for x
    x = 384,645,469.88/22,474.26
  6. Step 6: Final answer
    x = 17,114.93

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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.