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Finding the Fourth Proportional to 11,737.81, 17,595.68 and 3,941.15

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Solution

The fourth proportional to 11,737.81, 17,595.68 and 3,941.15 is: 5,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,737.81 : 17,595.68 = 3,941.15 : x
  2. Step 2: Convert to fraction form
    11,737.81/17,595.68 = 3,941.15/x
  3. Step 3: Cross multiply
    11,737.81x = 17,595.68 × 3,941.15
  4. Step 4: Simplify right side
    11,737.81x = 69,347,224.08
  5. Step 5: Solve for x
    x = 69,347,224.08/11,737.81
  6. Step 6: Final answer
    x = 5,908.02

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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.