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Finding the Fourth Proportional to 11,691.04, 17,543.04 and 4,765

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Solution

The fourth proportional to 11,691.04, 17,543.04 and 4,765 is: 7,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.04 : 17,543.04 = 4,765 : x
  2. Step 2: Convert to fraction form
    11,691.04/17,543.04 = 4,765/x
  3. Step 3: Cross multiply
    11,691.04x = 17,543.04 × 4,765
  4. Step 4: Simplify right side
    11,691.04x = 83,592,585.60
  5. Step 5: Solve for x
    x = 83,592,585.60/11,691.04
  6. Step 6: Final answer
    x = 7,150.14

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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.