Home / 10,299.24-15,448.72-3,279.68

Finding the Fourth Proportional to 10,299.24, 15,448.72 and 3,279.68

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Solution

The fourth proportional to 10,299.24, 15,448.72 and 3,279.68 is: 4,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.24 : 15,448.72 = 3,279.68 : x
  2. Step 2: Convert to fraction form
    10,299.24/15,448.72 = 3,279.68/x
  3. Step 3: Cross multiply
    10,299.24x = 15,448.72 × 3,279.68
  4. Step 4: Simplify right side
    10,299.24x = 50,666,858.01
  5. Step 5: Solve for x
    x = 50,666,858.01/10,299.24
  6. Step 6: Final answer
    x = 4,919.48

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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.