Home / 10,295.28-14,211.36-6,321.78

Finding the Fourth Proportional to 10,295.28, 14,211.36 and 6,321.78

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Solution

The fourth proportional to 10,295.28, 14,211.36 and 6,321.78 is: 8,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295.28 : 14,211.36 = 6,321.78 : x
  2. Step 2: Convert to fraction form
    10,295.28/14,211.36 = 6,321.78/x
  3. Step 3: Cross multiply
    10,295.28x = 14,211.36 × 6,321.78
  4. Step 4: Simplify right side
    10,295.28x = 89,841,091.42
  5. Step 5: Solve for x
    x = 89,841,091.42/10,295.28
  6. Step 6: Final answer
    x = 8,726.43

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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.