Home / 10,425.76-15,638.74-2,634.57

Finding the Fourth Proportional to 10,425.76, 15,638.74 and 2,634.57

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Solution

The fourth proportional to 10,425.76, 15,638.74 and 2,634.57 is: 3,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.76 : 15,638.74 = 2,634.57 : x
  2. Step 2: Convert to fraction form
    10,425.76/15,638.74 = 2,634.57/x
  3. Step 3: Cross multiply
    10,425.76x = 15,638.74 × 2,634.57
  4. Step 4: Simplify right side
    10,425.76x = 41,201,348.66
  5. Step 5: Solve for x
    x = 41,201,348.66/10,425.76
  6. Step 6: Final answer
    x = 3,951.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.