Home / 10,318.92-14,231.34-6,961.20

Finding the Fourth Proportional to 10,318.92, 14,231.34 and 6,961.20

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Solution

The fourth proportional to 10,318.92, 14,231.34 and 6,961.20 is: 9,600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.92 : 14,231.34 = 6,961.20 : x
  2. Step 2: Convert to fraction form
    10,318.92/14,231.34 = 6,961.20/x
  3. Step 3: Cross multiply
    10,318.92x = 14,231.34 × 6,961.20
  4. Step 4: Simplify right side
    10,318.92x = 99,067,204.01
  5. Step 5: Solve for x
    x = 99,067,204.01/10,318.92
  6. Step 6: Final answer
    x = 9,600.54

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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.