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Finding the Fourth Proportional to 9,505.95, 13,118.11 and 5,314.20

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Solution

The fourth proportional to 9,505.95, 13,118.11 and 5,314.20 is: 7,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.95 : 13,118.11 = 5,314.20 : x
  2. Step 2: Convert to fraction form
    9,505.95/13,118.11 = 5,314.20/x
  3. Step 3: Cross multiply
    9,505.95x = 13,118.11 × 5,314.20
  4. Step 4: Simplify right side
    9,505.95x = 69,712,260.16
  5. Step 5: Solve for x
    x = 69,712,260.16/9,505.95
  6. Step 6: Final answer
    x = 7,333.54

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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.