Home / 13,697.23-20,545.85-3,837.97

Finding the Fourth Proportional to 13,697.23, 20,545.85 and 3,837.97

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Solution

The fourth proportional to 13,697.23, 20,545.85 and 3,837.97 is: 5,756.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697.23 : 20,545.85 = 3,837.97 : x
  2. Step 2: Convert to fraction form
    13,697.23/20,545.85 = 3,837.97/x
  3. Step 3: Cross multiply
    13,697.23x = 20,545.85 × 3,837.97
  4. Step 4: Simplify right side
    13,697.23x = 78,854,355.92
  5. Step 5: Solve for x
    x = 78,854,355.92/13,697.23
  6. Step 6: Final answer
    x = 5,756.96

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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.