Home / 10,545.99-15,816.67-3,149.49

Finding the Fourth Proportional to 10,545.99, 15,816.67 and 3,149.49

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Solution

The fourth proportional to 10,545.99, 15,816.67 and 3,149.49 is: 4,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.99 : 15,816.67 = 3,149.49 : x
  2. Step 2: Convert to fraction form
    10,545.99/15,816.67 = 3,149.49/x
  3. Step 3: Cross multiply
    10,545.99x = 15,816.67 × 3,149.49
  4. Step 4: Simplify right side
    10,545.99x = 49,814,436.12
  5. Step 5: Solve for x
    x = 49,814,436.12/10,545.99
  6. Step 6: Final answer
    x = 4,723.54

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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.