Home / 9,680.16-13,363.92-6,659.64

Finding the Fourth Proportional to 9,680.16, 13,363.92 and 6,659.64

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Solution

The fourth proportional to 9,680.16, 13,363.92 and 6,659.64 is: 9,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680.16 : 13,363.92 = 6,659.64 : x
  2. Step 2: Convert to fraction form
    9,680.16/13,363.92 = 6,659.64/x
  3. Step 3: Cross multiply
    9,680.16x = 13,363.92 × 6,659.64
  4. Step 4: Simplify right side
    9,680.16x = 88,998,896.19
  5. Step 5: Solve for x
    x = 88,998,896.19/9,680.16
  6. Step 6: Final answer
    x = 9,193.95

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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.