Home / 8,811.10-12,147.19-5,974.16

Finding the Fourth Proportional to 8,811.10, 12,147.19 and 5,974.16

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Solution

The fourth proportional to 8,811.10, 12,147.19 and 5,974.16 is: 8,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.10 : 12,147.19 = 5,974.16 : x
  2. Step 2: Convert to fraction form
    8,811.10/12,147.19 = 5,974.16/x
  3. Step 3: Cross multiply
    8,811.10x = 12,147.19 × 5,974.16
  4. Step 4: Simplify right side
    8,811.10x = 72,569,197.74
  5. Step 5: Solve for x
    x = 72,569,197.74/8,811.10
  6. Step 6: Final answer
    x = 8,236.11

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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.