Home / 18,020.61-27,034.56-6,342.03

Finding the Fourth Proportional to 18,020.61, 27,034.56 and 6,342.03

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Solution

The fourth proportional to 18,020.61, 27,034.56 and 6,342.03 is: 9,514.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.61 : 27,034.56 = 6,342.03 : x
  2. Step 2: Convert to fraction form
    18,020.61/27,034.56 = 6,342.03/x
  3. Step 3: Cross multiply
    18,020.61x = 27,034.56 × 6,342.03
  4. Step 4: Simplify right side
    18,020.61x = 171,453,990.56
  5. Step 5: Solve for x
    x = 171,453,990.56/18,020.61
  6. Step 6: Final answer
    x = 9,514.33

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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.