Home / 18,241.47-25,169.67-11,162.88

Finding the Fourth Proportional to 18,241.47, 25,169.67 and 11,162.88

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Solution

The fourth proportional to 18,241.47, 25,169.67 and 11,162.88 is: 15,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.47 : 25,169.67 = 11,162.88 : x
  2. Step 2: Convert to fraction form
    18,241.47/25,169.67 = 11,162.88/x
  3. Step 3: Cross multiply
    18,241.47x = 25,169.67 × 11,162.88
  4. Step 4: Simplify right side
    18,241.47x = 280,966,005.85
  5. Step 5: Solve for x
    x = 280,966,005.85/18,241.47
  6. Step 6: Final answer
    x = 15,402.60

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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.