Home / 10,169.64-15,251.58-3,240.36

Finding the Fourth Proportional to 10,169.64, 15,251.58 and 3,240.36

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Solution

The fourth proportional to 10,169.64, 15,251.58 and 3,240.36 is: 4,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.64 : 15,251.58 = 3,240.36 : x
  2. Step 2: Convert to fraction form
    10,169.64/15,251.58 = 3,240.36/x
  3. Step 3: Cross multiply
    10,169.64x = 15,251.58 × 3,240.36
  4. Step 4: Simplify right side
    10,169.64x = 49,420,609.77
  5. Step 5: Solve for x
    x = 49,420,609.77/10,169.64
  6. Step 6: Final answer
    x = 4,859.62

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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.