Home / 9,679.20-14,517.96-6,856.36

Finding the Fourth Proportional to 9,679.20, 14,517.96 and 6,856.36

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Solution

The fourth proportional to 9,679.20, 14,517.96 and 6,856.36 is: 10,283.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679.20 : 14,517.96 = 6,856.36 : x
  2. Step 2: Convert to fraction form
    9,679.20/14,517.96 = 6,856.36/x
  3. Step 3: Cross multiply
    9,679.20x = 14,517.96 × 6,856.36
  4. Step 4: Simplify right side
    9,679.20x = 99,540,360.23
  5. Step 5: Solve for x
    x = 99,540,360.23/9,679.20
  6. Step 6: Final answer
    x = 10,283.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.