Home / 12,097.91-18,139.96-6,171.14

Finding the Fourth Proportional to 12,097.91, 18,139.96 and 6,171.14

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Solution

The fourth proportional to 12,097.91, 18,139.96 and 6,171.14 is: 9,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097.91 : 18,139.96 = 6,171.14 : x
  2. Step 2: Convert to fraction form
    12,097.91/18,139.96 = 6,171.14/x
  3. Step 3: Cross multiply
    12,097.91x = 18,139.96 × 6,171.14
  4. Step 4: Simplify right side
    12,097.91x = 111,944,232.75
  5. Step 5: Solve for x
    x = 111,944,232.75/12,097.91
  6. Step 6: Final answer
    x = 9,253.19

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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.