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Finding the Fourth Proportional to 11,319.77, 15,626.90 and 7,073.18

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Solution

The fourth proportional to 11,319.77, 15,626.90 and 7,073.18 is: 9,764.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.77 : 15,626.90 = 7,073.18 : x
  2. Step 2: Convert to fraction form
    11,319.77/15,626.90 = 7,073.18/x
  3. Step 3: Cross multiply
    11,319.77x = 15,626.90 × 7,073.18
  4. Step 4: Simplify right side
    11,319.77x = 110,531,898.75
  5. Step 5: Solve for x
    x = 110,531,898.75/11,319.77
  6. Step 6: Final answer
    x = 9,764.50

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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.