Home / 12,476.32-17,217.92-6,887.68

Finding the Fourth Proportional to 12,476.32, 17,217.92 and 6,887.68

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Solution

The fourth proportional to 12,476.32, 17,217.92 and 6,887.68 is: 9,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.32 : 17,217.92 = 6,887.68 : x
  2. Step 2: Convert to fraction form
    12,476.32/17,217.92 = 6,887.68/x
  3. Step 3: Cross multiply
    12,476.32x = 17,217.92 × 6,887.68
  4. Step 4: Simplify right side
    12,476.32x = 118,591,523.23
  5. Step 5: Solve for x
    x = 118,591,523.23/12,476.32
  6. Step 6: Final answer
    x = 9,505.33

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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.