Home / 9,181.11-12,672.33-6,345.30

Finding the Fourth Proportional to 9,181.11, 12,672.33 and 6,345.30

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Solution

The fourth proportional to 9,181.11, 12,672.33 and 6,345.30 is: 8,758.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.11 : 12,672.33 = 6,345.30 : x
  2. Step 2: Convert to fraction form
    9,181.11/12,672.33 = 6,345.30/x
  3. Step 3: Cross multiply
    9,181.11x = 12,672.33 × 6,345.30
  4. Step 4: Simplify right side
    9,181.11x = 80,409,735.55
  5. Step 5: Solve for x
    x = 80,409,735.55/9,181.11
  6. Step 6: Final answer
    x = 8,758.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.