Home / 18,139.96-27,185.34-16,319.26

Finding the Fourth Proportional to 18,139.96, 27,185.34 and 16,319.26

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Solution

The fourth proportional to 18,139.96, 27,185.34 and 16,319.26 is: 24,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.96 : 27,185.34 = 16,319.26 : x
  2. Step 2: Convert to fraction form
    18,139.96/27,185.34 = 16,319.26/x
  3. Step 3: Cross multiply
    18,139.96x = 27,185.34 × 16,319.26
  4. Step 4: Simplify right side
    18,139.96x = 443,644,631.65
  5. Step 5: Solve for x
    x = 443,644,631.65/18,139.96
  6. Step 6: Final answer
    x = 24,456.76

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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.