Home / 18,237.24-27,348.11-7,142.16

Finding the Fourth Proportional to 18,237.24, 27,348.11 and 7,142.16

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Solution

The fourth proportional to 18,237.24, 27,348.11 and 7,142.16 is: 10,710.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.24 : 27,348.11 = 7,142.16 : x
  2. Step 2: Convert to fraction form
    18,237.24/27,348.11 = 7,142.16/x
  3. Step 3: Cross multiply
    18,237.24x = 27,348.11 × 7,142.16
  4. Step 4: Simplify right side
    18,237.24x = 195,324,642.53
  5. Step 5: Solve for x
    x = 195,324,642.53/18,237.24
  6. Step 6: Final answer
    x = 10,710.21

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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.