Home / 10,305.15-15,458.60-3,286.17

Finding the Fourth Proportional to 10,305.15, 15,458.60 and 3,286.17

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Solution

The fourth proportional to 10,305.15, 15,458.60 and 3,286.17 is: 4,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.15 : 15,458.60 = 3,286.17 : x
  2. Step 2: Convert to fraction form
    10,305.15/15,458.60 = 3,286.17/x
  3. Step 3: Cross multiply
    10,305.15x = 15,458.60 × 3,286.17
  4. Step 4: Simplify right side
    10,305.15x = 50,799,571.13
  5. Step 5: Solve for x
    x = 50,799,571.13/10,305.15
  6. Step 6: Final answer
    x = 4,929.53

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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.