Home / 18,127.90-25,016.58-10,169.61

Finding the Fourth Proportional to 18,127.90, 25,016.58 and 10,169.61

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Solution

The fourth proportional to 18,127.90, 25,016.58 and 10,169.61 is: 14,034.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.90 : 25,016.58 = 10,169.61 : x
  2. Step 2: Convert to fraction form
    18,127.90/25,016.58 = 10,169.61/x
  3. Step 3: Cross multiply
    18,127.90x = 25,016.58 × 10,169.61
  4. Step 4: Simplify right side
    18,127.90x = 254,408,987.12
  5. Step 5: Solve for x
    x = 254,408,987.12/18,127.90
  6. Step 6: Final answer
    x = 14,034.11

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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.