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Finding the Fourth Proportional to 11,381.96, 17,037.30 and 7,373.96

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Solution

The fourth proportional to 11,381.96, 17,037.30 and 7,373.96 is: 11,037.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.96 : 17,037.30 = 7,373.96 : x
  2. Step 2: Convert to fraction form
    11,381.96/17,037.30 = 7,373.96/x
  3. Step 3: Cross multiply
    11,381.96x = 17,037.30 × 7,373.96
  4. Step 4: Simplify right side
    11,381.96x = 125,632,368.71
  5. Step 5: Solve for x
    x = 125,632,368.71/11,381.96
  6. Step 6: Final answer
    x = 11,037.85

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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.