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Finding the Fourth Proportional to 11,550.67, 17,319.08 and 5,615.89

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Solution

The fourth proportional to 11,550.67, 17,319.08 and 5,615.89 is: 8,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.67 : 17,319.08 = 5,615.89 : x
  2. Step 2: Convert to fraction form
    11,550.67/17,319.08 = 5,615.89/x
  3. Step 3: Cross multiply
    11,550.67x = 17,319.08 × 5,615.89
  4. Step 4: Simplify right side
    11,550.67x = 97,262,018.92
  5. Step 5: Solve for x
    x = 97,262,018.92/11,550.67
  6. Step 6: Final answer
    x = 8,420.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.