Home / 18,248.11-27,361.19-7,141.57

Finding the Fourth Proportional to 18,248.11, 27,361.19 and 7,141.57

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Solution

The fourth proportional to 18,248.11, 27,361.19 and 7,141.57 is: 10,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.11 : 27,361.19 = 7,141.57 : x
  2. Step 2: Convert to fraction form
    18,248.11/27,361.19 = 7,141.57/x
  3. Step 3: Cross multiply
    18,248.11x = 27,361.19 × 7,141.57
  4. Step 4: Simplify right side
    18,248.11x = 195,401,803.12
  5. Step 5: Solve for x
    x = 195,401,803.12/18,248.11
  6. Step 6: Final answer
    x = 10,708.06

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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.