Home / 18,242.31-25,173.13-10,282.85

Finding the Fourth Proportional to 18,242.31, 25,173.13 and 10,282.85

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Solution

The fourth proportional to 18,242.31, 25,173.13 and 10,282.85 is: 14,189.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.31 : 25,173.13 = 10,282.85 : x
  2. Step 2: Convert to fraction form
    18,242.31/25,173.13 = 10,282.85/x
  3. Step 3: Cross multiply
    18,242.31x = 25,173.13 × 10,282.85
  4. Step 4: Simplify right side
    18,242.31x = 258,851,481.93
  5. Step 5: Solve for x
    x = 258,851,481.93/18,242.31
  6. Step 6: Final answer
    x = 14,189.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.