Home / 22,609.40-31,200.42-12,537.75

Finding the Fourth Proportional to 22,609.40, 31,200.42 and 12,537.75

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Solution

The fourth proportional to 22,609.40, 31,200.42 and 12,537.75 is: 17,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.40 : 31,200.42 = 12,537.75 : x
  2. Step 2: Convert to fraction form
    22,609.40/31,200.42 = 12,537.75/x
  3. Step 3: Cross multiply
    22,609.40x = 31,200.42 × 12,537.75
  4. Step 4: Simplify right side
    22,609.40x = 391,183,229.87
  5. Step 5: Solve for x
    x = 391,183,229.87/22,609.40
  6. Step 6: Final answer
    x = 17,301.80

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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.