Home / 18,127.72-25,015.84-10,169.76

Finding the Fourth Proportional to 18,127.72, 25,015.84 and 10,169.76

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Solution

The fourth proportional to 18,127.72, 25,015.84 and 10,169.76 is: 14,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.72 : 25,015.84 = 10,169.76 : x
  2. Step 2: Convert to fraction form
    18,127.72/25,015.84 = 10,169.76/x
  3. Step 3: Cross multiply
    18,127.72x = 25,015.84 × 10,169.76
  4. Step 4: Simplify right side
    18,127.72x = 254,405,089.00
  5. Step 5: Solve for x
    x = 254,405,089.00/18,127.72
  6. Step 6: Final answer
    x = 14,034.04

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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.