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Finding the Fourth Proportional to 9,500.74, 13,109.85 and 5,308.90

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Solution

The fourth proportional to 9,500.74, 13,109.85 and 5,308.90 is: 7,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,500.74 : 13,109.85 = 5,308.90 : x
  2. Step 2: Convert to fraction form
    9,500.74/13,109.85 = 5,308.90/x
  3. Step 3: Cross multiply
    9,500.74x = 13,109.85 × 5,308.90
  4. Step 4: Simplify right side
    9,500.74x = 69,598,882.67
  5. Step 5: Solve for x
    x = 69,598,882.67/9,500.74
  6. Step 6: Final answer
    x = 7,325.63

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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.