Home / 10,545.57-15,819.26-2,754.38

Finding the Fourth Proportional to 10,545.57, 15,819.26 and 2,754.38

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Solution

The fourth proportional to 10,545.57, 15,819.26 and 2,754.38 is: 4,131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.57 : 15,819.26 = 2,754.38 : x
  2. Step 2: Convert to fraction form
    10,545.57/15,819.26 = 2,754.38/x
  3. Step 3: Cross multiply
    10,545.57x = 15,819.26 × 2,754.38
  4. Step 4: Simplify right side
    10,545.57x = 43,572,253.36
  5. Step 5: Solve for x
    x = 43,572,253.36/10,545.57
  6. Step 6: Final answer
    x = 4,131.81

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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.