Home / 12,398.22-18,599.67-4,080.63

Finding the Fourth Proportional to 12,398.22, 18,599.67 and 4,080.63

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Solution

The fourth proportional to 12,398.22, 18,599.67 and 4,080.63 is: 6,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398.22 : 18,599.67 = 4,080.63 : x
  2. Step 2: Convert to fraction form
    12,398.22/18,599.67 = 4,080.63/x
  3. Step 3: Cross multiply
    12,398.22x = 18,599.67 × 4,080.63
  4. Step 4: Simplify right side
    12,398.22x = 75,898,371.39
  5. Step 5: Solve for x
    x = 75,898,371.39/12,398.22
  6. Step 6: Final answer
    x = 6,121.72

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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.