Home / 11,356.92-15,672.76-6,321.35

Finding the Fourth Proportional to 11,356.92, 15,672.76 and 6,321.35

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Solution

The fourth proportional to 11,356.92, 15,672.76 and 6,321.35 is: 8,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.92 : 15,672.76 = 6,321.35 : x
  2. Step 2: Convert to fraction form
    11,356.92/15,672.76 = 6,321.35/x
  3. Step 3: Cross multiply
    11,356.92x = 15,672.76 × 6,321.35
  4. Step 4: Simplify right side
    11,356.92x = 99,073,024.80
  5. Step 5: Solve for x
    x = 99,073,024.80/11,356.92
  6. Step 6: Final answer
    x = 8,723.58

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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.