Home / 12,917.06-19,371.12-5,017.71

Finding the Fourth Proportional to 12,917.06, 19,371.12 and 5,017.71

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Solution

The fourth proportional to 12,917.06, 19,371.12 and 5,017.71 is: 7,524.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,917.06 : 19,371.12 = 5,017.71 : x
  2. Step 2: Convert to fraction form
    12,917.06/19,371.12 = 5,017.71/x
  3. Step 3: Cross multiply
    12,917.06x = 19,371.12 × 5,017.71
  4. Step 4: Simplify right side
    12,917.06x = 97,198,662.54
  5. Step 5: Solve for x
    x = 97,198,662.54/12,917.06
  6. Step 6: Final answer
    x = 7,524.83

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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.