Home / 18,218.33-27,285.13-17,586.96

Finding the Fourth Proportional to 18,218.33, 27,285.13 and 17,586.96

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Solution

The fourth proportional to 18,218.33, 27,285.13 and 17,586.96 is: 26,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.33 : 27,285.13 = 17,586.96 : x
  2. Step 2: Convert to fraction form
    18,218.33/27,285.13 = 17,586.96/x
  3. Step 3: Cross multiply
    18,218.33x = 27,285.13 × 17,586.96
  4. Step 4: Simplify right side
    18,218.33x = 479,862,409.57
  5. Step 5: Solve for x
    x = 479,862,409.57/18,218.33
  6. Step 6: Final answer
    x = 26,339.54

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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.