Home / 12,482.20-18,723.30-3,248.20

Finding the Fourth Proportional to 12,482.20, 18,723.30 and 3,248.20

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Solution

The fourth proportional to 12,482.20, 18,723.30 and 3,248.20 is: 4,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.20 : 18,723.30 = 3,248.20 : x
  2. Step 2: Convert to fraction form
    12,482.20/18,723.30 = 3,248.20/x
  3. Step 3: Cross multiply
    12,482.20x = 18,723.30 × 3,248.20
  4. Step 4: Simplify right side
    12,482.20x = 60,817,023.06
  5. Step 5: Solve for x
    x = 60,817,023.06/12,482.20
  6. Step 6: Final answer
    x = 4,872.30

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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.