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Finding the Fourth Proportional to 11,160.69, 15,402.47 and 7,377.23

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Solution

The fourth proportional to 11,160.69, 15,402.47 and 7,377.23 is: 10,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.69 : 15,402.47 = 7,377.23 : x
  2. Step 2: Convert to fraction form
    11,160.69/15,402.47 = 7,377.23/x
  3. Step 3: Cross multiply
    11,160.69x = 15,402.47 × 7,377.23
  4. Step 4: Simplify right side
    11,160.69x = 113,627,449.86
  5. Step 5: Solve for x
    x = 113,627,449.86/11,160.69
  6. Step 6: Final answer
    x = 10,181.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.