Home / 10,255.64-15,387.04-3,236.74

Finding the Fourth Proportional to 10,255.64, 15,387.04 and 3,236.74

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Solution

The fourth proportional to 10,255.64, 15,387.04 and 3,236.74 is: 4,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.64 : 15,387.04 = 3,236.74 : x
  2. Step 2: Convert to fraction form
    10,255.64/15,387.04 = 3,236.74/x
  3. Step 3: Cross multiply
    10,255.64x = 15,387.04 × 3,236.74
  4. Step 4: Simplify right side
    10,255.64x = 49,803,847.85
  5. Step 5: Solve for x
    x = 49,803,847.85/10,255.64
  6. Step 6: Final answer
    x = 4,856.24

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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.