Home / 9,928.22-13,691.30-6,705.12

Finding the Fourth Proportional to 9,928.22, 13,691.30 and 6,705.12

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Solution

The fourth proportional to 9,928.22, 13,691.30 and 6,705.12 is: 9,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.22 : 13,691.30 = 6,705.12 : x
  2. Step 2: Convert to fraction form
    9,928.22/13,691.30 = 6,705.12/x
  3. Step 3: Cross multiply
    9,928.22x = 13,691.30 × 6,705.12
  4. Step 4: Simplify right side
    9,928.22x = 91,801,775.93
  5. Step 5: Solve for x
    x = 91,801,775.93/9,928.22
  6. Step 6: Final answer
    x = 9,246.55

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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.