Home / 20,160.72-30,250.26-10,294.92

Finding the Fourth Proportional to 20,160.72, 30,250.26 and 10,294.92

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Solution

The fourth proportional to 20,160.72, 30,250.26 and 10,294.92 is: 15,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.72 : 30,250.26 = 10,294.92 : x
  2. Step 2: Convert to fraction form
    20,160.72/30,250.26 = 10,294.92/x
  3. Step 3: Cross multiply
    20,160.72x = 30,250.26 × 10,294.92
  4. Step 4: Simplify right side
    20,160.72x = 311,424,006.68
  5. Step 5: Solve for x
    x = 311,424,006.68/20,160.72
  6. Step 6: Final answer
    x = 15,447.07

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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.