Home / 9,388.28-12,944.08-6,868.36

Finding the Fourth Proportional to 9,388.28, 12,944.08 and 6,868.36

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Solution

The fourth proportional to 9,388.28, 12,944.08 and 6,868.36 is: 9,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388.28 : 12,944.08 = 6,868.36 : x
  2. Step 2: Convert to fraction form
    9,388.28/12,944.08 = 6,868.36/x
  3. Step 3: Cross multiply
    9,388.28x = 12,944.08 × 6,868.36
  4. Step 4: Simplify right side
    9,388.28x = 88,904,601.31
  5. Step 5: Solve for x
    x = 88,904,601.31/9,388.28
  6. Step 6: Final answer
    x = 9,469.74

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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.