Home / 18,727.92-28,082.41-6,243.57

Finding the Fourth Proportional to 18,727.92, 28,082.41 and 6,243.57

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Solution

The fourth proportional to 18,727.92, 28,082.41 and 6,243.57 is: 9,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.92 : 28,082.41 = 6,243.57 : x
  2. Step 2: Convert to fraction form
    18,727.92/28,082.41 = 6,243.57/x
  3. Step 3: Cross multiply
    18,727.92x = 28,082.41 × 6,243.57
  4. Step 4: Simplify right side
    18,727.92x = 175,334,476.99
  5. Step 5: Solve for x
    x = 175,334,476.99/18,727.92
  6. Step 6: Final answer
    x = 9,362.20

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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.