Home / 10,879.20-16,307.55-4,296.33

Finding the Fourth Proportional to 10,879.20, 16,307.55 and 4,296.33

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Solution

The fourth proportional to 10,879.20, 16,307.55 and 4,296.33 is: 6,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.20 : 16,307.55 = 4,296.33 : x
  2. Step 2: Convert to fraction form
    10,879.20/16,307.55 = 4,296.33/x
  3. Step 3: Cross multiply
    10,879.20x = 16,307.55 × 4,296.33
  4. Step 4: Simplify right side
    10,879.20x = 70,062,616.29
  5. Step 5: Solve for x
    x = 70,062,616.29/10,879.20
  6. Step 6: Final answer
    x = 6,440.05

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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.