Home / 10,879.26-16,320.03-4,639.93

Finding the Fourth Proportional to 10,879.26, 16,320.03 and 4,639.93

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Solution

The fourth proportional to 10,879.26, 16,320.03 and 4,639.93 is: 6,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.26 : 16,320.03 = 4,639.93 : x
  2. Step 2: Convert to fraction form
    10,879.26/16,320.03 = 4,639.93/x
  3. Step 3: Cross multiply
    10,879.26x = 16,320.03 × 4,639.93
  4. Step 4: Simplify right side
    10,879.26x = 75,723,796.80
  5. Step 5: Solve for x
    x = 75,723,796.80/10,879.26
  6. Step 6: Final answer
    x = 6,960.38

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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.