Home / 12,022.58-18,031.66-3,258.20

Finding the Fourth Proportional to 12,022.58, 18,031.66 and 3,258.20

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Solution

The fourth proportional to 12,022.58, 18,031.66 and 3,258.20 is: 4,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.58 : 18,031.66 = 3,258.20 : x
  2. Step 2: Convert to fraction form
    12,022.58/18,031.66 = 3,258.20/x
  3. Step 3: Cross multiply
    12,022.58x = 18,031.66 × 3,258.20
  4. Step 4: Simplify right side
    12,022.58x = 58,750,754.61
  5. Step 5: Solve for x
    x = 58,750,754.61/12,022.58
  6. Step 6: Final answer
    x = 4,886.70

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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.