Home / 18,247.40-27,361.14-8,240.42

Finding the Fourth Proportional to 18,247.40, 27,361.14 and 8,240.42

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Solution

The fourth proportional to 18,247.40, 27,361.14 and 8,240.42 is: 12,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.40 : 27,361.14 = 8,240.42 : x
  2. Step 2: Convert to fraction form
    18,247.40/27,361.14 = 8,240.42/x
  3. Step 3: Cross multiply
    18,247.40x = 27,361.14 × 8,240.42
  4. Step 4: Simplify right side
    18,247.40x = 225,467,148.47
  5. Step 5: Solve for x
    x = 225,467,148.47/18,247.40
  6. Step 6: Final answer
    x = 12,356.13

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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.