Home / 12,195.11-18,273.52-7,262.06

Finding the Fourth Proportional to 12,195.11, 18,273.52 and 7,262.06

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Solution

The fourth proportional to 12,195.11, 18,273.52 and 7,262.06 is: 10,881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.11 : 18,273.52 = 7,262.06 : x
  2. Step 2: Convert to fraction form
    12,195.11/18,273.52 = 7,262.06/x
  3. Step 3: Cross multiply
    12,195.11x = 18,273.52 × 7,262.06
  4. Step 4: Simplify right side
    12,195.11x = 132,703,426.18
  5. Step 5: Solve for x
    x = 132,703,426.18/12,195.11
  6. Step 6: Final answer
    x = 10,881.69

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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.