Home / 18,559.28-27,778.05-10,112.92

Finding the Fourth Proportional to 18,559.28, 27,778.05 and 10,112.92

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Solution

The fourth proportional to 18,559.28, 27,778.05 and 10,112.92 is: 15,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.28 : 27,778.05 = 10,112.92 : x
  2. Step 2: Convert to fraction form
    18,559.28/27,778.05 = 10,112.92/x
  3. Step 3: Cross multiply
    18,559.28x = 27,778.05 × 10,112.92
  4. Step 4: Simplify right side
    18,559.28x = 280,917,127.96
  5. Step 5: Solve for x
    x = 280,917,127.96/18,559.28
  6. Step 6: Final answer
    x = 15,136.21

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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.