Home / 10,230.64-15,348.20-3,305.20

Finding the Fourth Proportional to 10,230.64, 15,348.20 and 3,305.20

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Solution

The fourth proportional to 10,230.64, 15,348.20 and 3,305.20 is: 4,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.64 : 15,348.20 = 3,305.20 : x
  2. Step 2: Convert to fraction form
    10,230.64/15,348.20 = 3,305.20/x
  3. Step 3: Cross multiply
    10,230.64x = 15,348.20 × 3,305.20
  4. Step 4: Simplify right side
    10,230.64x = 50,728,870.64
  5. Step 5: Solve for x
    x = 50,728,870.64/10,230.64
  6. Step 6: Final answer
    x = 4,958.52

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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.