Home / 18,540.67-25,586.15-10,042.89

Finding the Fourth Proportional to 18,540.67, 25,586.15 and 10,042.89

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Solution

The fourth proportional to 18,540.67, 25,586.15 and 10,042.89 is: 13,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.67 : 25,586.15 = 10,042.89 : x
  2. Step 2: Convert to fraction form
    18,540.67/25,586.15 = 10,042.89/x
  3. Step 3: Cross multiply
    18,540.67x = 25,586.15 × 10,042.89
  4. Step 4: Simplify right side
    18,540.67x = 256,958,828.55
  5. Step 5: Solve for x
    x = 256,958,828.55/18,540.67
  6. Step 6: Final answer
    x = 13,859.20

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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.