Home / 10,921.32-16,381.98-2,713.32

Finding the Fourth Proportional to 10,921.32, 16,381.98 and 2,713.32

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Solution

The fourth proportional to 10,921.32, 16,381.98 and 2,713.32 is: 4,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921.32 : 16,381.98 = 2,713.32 : x
  2. Step 2: Convert to fraction form
    10,921.32/16,381.98 = 2,713.32/x
  3. Step 3: Cross multiply
    10,921.32x = 16,381.98 × 2,713.32
  4. Step 4: Simplify right side
    10,921.32x = 44,449,553.97
  5. Step 5: Solve for x
    x = 44,449,553.97/10,921.32
  6. Step 6: Final answer
    x = 4,069.98

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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.