Home / 12,832.64-19,251.36-4,065.20

Finding the Fourth Proportional to 12,832.64, 19,251.36 and 4,065.20

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Solution

The fourth proportional to 12,832.64, 19,251.36 and 4,065.20 is: 6,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832.64 : 19,251.36 = 4,065.20 : x
  2. Step 2: Convert to fraction form
    12,832.64/19,251.36 = 4,065.20/x
  3. Step 3: Cross multiply
    12,832.64x = 19,251.36 × 4,065.20
  4. Step 4: Simplify right side
    12,832.64x = 78,260,628.67
  5. Step 5: Solve for x
    x = 78,260,628.67/12,832.64
  6. Step 6: Final answer
    x = 6,098.56

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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.