Home / 10,209.99-15,305.26-3,279.63

Finding the Fourth Proportional to 10,209.99, 15,305.26 and 3,279.63

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Solution

The fourth proportional to 10,209.99, 15,305.26 and 3,279.63 is: 4,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.99 : 15,305.26 = 3,279.63 : x
  2. Step 2: Convert to fraction form
    10,209.99/15,305.26 = 3,279.63/x
  3. Step 3: Cross multiply
    10,209.99x = 15,305.26 × 3,279.63
  4. Step 4: Simplify right side
    10,209.99x = 50,195,589.85
  5. Step 5: Solve for x
    x = 50,195,589.85/10,209.99
  6. Step 6: Final answer
    x = 4,916.32

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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.