Home / 12,074.60-18,063.30-10,449.20

Finding the Fourth Proportional to 12,074.60, 18,063.30 and 10,449.20

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Solution

The fourth proportional to 12,074.60, 18,063.30 and 10,449.20 is: 15,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.60 : 18,063.30 = 10,449.20 : x
  2. Step 2: Convert to fraction form
    12,074.60/18,063.30 = 10,449.20/x
  3. Step 3: Cross multiply
    12,074.60x = 18,063.30 × 10,449.20
  4. Step 4: Simplify right side
    12,074.60x = 188,747,034.36
  5. Step 5: Solve for x
    x = 188,747,034.36/12,074.60
  6. Step 6: Final answer
    x = 15,631.74

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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.