Home / 12,917.28-19,371.88-4,150.24

Finding the Fourth Proportional to 12,917.28, 19,371.88 and 4,150.24

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Solution

The fourth proportional to 12,917.28, 19,371.88 and 4,150.24 is: 6,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,917.28 : 19,371.88 = 4,150.24 : x
  2. Step 2: Convert to fraction form
    12,917.28/19,371.88 = 4,150.24/x
  3. Step 3: Cross multiply
    12,917.28x = 19,371.88 × 4,150.24
  4. Step 4: Simplify right side
    12,917.28x = 80,397,951.25
  5. Step 5: Solve for x
    x = 80,397,951.25/12,917.28
  6. Step 6: Final answer
    x = 6,224.06

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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.