Home / 18,146.68-27,230.51-7,615.75

Finding the Fourth Proportional to 18,146.68, 27,230.51 and 7,615.75

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Solution

The fourth proportional to 18,146.68, 27,230.51 and 7,615.75 is: 11,428.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.68 : 27,230.51 = 7,615.75 : x
  2. Step 2: Convert to fraction form
    18,146.68/27,230.51 = 7,615.75/x
  3. Step 3: Cross multiply
    18,146.68x = 27,230.51 × 7,615.75
  4. Step 4: Simplify right side
    18,146.68x = 207,380,650.38
  5. Step 5: Solve for x
    x = 207,380,650.38/18,146.68
  6. Step 6: Final answer
    x = 11,428.02

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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.