Home / 12,258.31-18,390.20-4,467.13

Finding the Fourth Proportional to 12,258.31, 18,390.20 and 4,467.13

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Solution

The fourth proportional to 12,258.31, 18,390.20 and 4,467.13 is: 6,701.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.31 : 18,390.20 = 4,467.13 : x
  2. Step 2: Convert to fraction form
    12,258.31/18,390.20 = 4,467.13/x
  3. Step 3: Cross multiply
    12,258.31x = 18,390.20 × 4,467.13
  4. Step 4: Simplify right side
    12,258.31x = 82,151,414.13
  5. Step 5: Solve for x
    x = 82,151,414.13/12,258.31
  6. Step 6: Final answer
    x = 6,701.69

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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.