Home / 11,134.12-16,700.36-5,581.84

Finding the Fourth Proportional to 11,134.12, 16,700.36 and 5,581.84

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Solution

The fourth proportional to 11,134.12, 16,700.36 and 5,581.84 is: 8,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.12 : 16,700.36 = 5,581.84 : x
  2. Step 2: Convert to fraction form
    11,134.12/16,700.36 = 5,581.84/x
  3. Step 3: Cross multiply
    11,134.12x = 16,700.36 × 5,581.84
  4. Step 4: Simplify right side
    11,134.12x = 93,218,737.46
  5. Step 5: Solve for x
    x = 93,218,737.46/11,134.12
  6. Step 6: Final answer
    x = 8,372.35

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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.