Home / 10,512.15-15,768.72-4,268.94

Finding the Fourth Proportional to 10,512.15, 15,768.72 and 4,268.94

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Solution

The fourth proportional to 10,512.15, 15,768.72 and 4,268.94 is: 6,403.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.15 : 15,768.72 = 4,268.94 : x
  2. Step 2: Convert to fraction form
    10,512.15/15,768.72 = 4,268.94/x
  3. Step 3: Cross multiply
    10,512.15x = 15,768.72 × 4,268.94
  4. Step 4: Simplify right side
    10,512.15x = 67,315,719.56
  5. Step 5: Solve for x
    x = 67,315,719.56/10,512.15
  6. Step 6: Final answer
    x = 6,403.61

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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.