Home / 18,252.90-27,381.02-5,105.23

Finding the Fourth Proportional to 18,252.90, 27,381.02 and 5,105.23

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Solution

The fourth proportional to 18,252.90, 27,381.02 and 5,105.23 is: 7,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252.90 : 27,381.02 = 5,105.23 : x
  2. Step 2: Convert to fraction form
    18,252.90/27,381.02 = 5,105.23/x
  3. Step 3: Cross multiply
    18,252.90x = 27,381.02 × 5,105.23
  4. Step 4: Simplify right side
    18,252.90x = 139,786,404.73
  5. Step 5: Solve for x
    x = 139,786,404.73/18,252.90
  6. Step 6: Final answer
    x = 7,658.31

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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.