Home / 9,171.32-12,652.56-6,181.97

Finding the Fourth Proportional to 9,171.32, 12,652.56 and 6,181.97

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Solution

The fourth proportional to 9,171.32, 12,652.56 and 6,181.97 is: 8,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.32 : 12,652.56 = 6,181.97 : x
  2. Step 2: Convert to fraction form
    9,171.32/12,652.56 = 6,181.97/x
  3. Step 3: Cross multiply
    9,171.32x = 12,652.56 × 6,181.97
  4. Step 4: Simplify right side
    9,171.32x = 78,217,683.08
  5. Step 5: Solve for x
    x = 78,217,683.08/9,171.32
  6. Step 6: Final answer
    x = 8,528.51

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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.