Home / 10,248.32-15,400.26-5,571.79

Finding the Fourth Proportional to 10,248.32, 15,400.26 and 5,571.79

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Solution

The fourth proportional to 10,248.32, 15,400.26 and 5,571.79 is: 8,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248.32 : 15,400.26 = 5,571.79 : x
  2. Step 2: Convert to fraction form
    10,248.32/15,400.26 = 5,571.79/x
  3. Step 3: Cross multiply
    10,248.32x = 15,400.26 × 5,571.79
  4. Step 4: Simplify right side
    10,248.32x = 85,806,976.16
  5. Step 5: Solve for x
    x = 85,806,976.16/10,248.32
  6. Step 6: Final answer
    x = 8,372.78

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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.