Home / 10,251.56-14,147.16-6,275.78

Finding the Fourth Proportional to 10,251.56, 14,147.16 and 6,275.78

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Solution

The fourth proportional to 10,251.56, 14,147.16 and 6,275.78 is: 8,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.56 : 14,147.16 = 6,275.78 : x
  2. Step 2: Convert to fraction form
    10,251.56/14,147.16 = 6,275.78/x
  3. Step 3: Cross multiply
    10,251.56x = 14,147.16 × 6,275.78
  4. Step 4: Simplify right side
    10,251.56x = 88,784,422.57
  5. Step 5: Solve for x
    x = 88,784,422.57/10,251.56
  6. Step 6: Final answer
    x = 8,660.57

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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.