Home / 18,844.20-28,258.29-5,689.44

Finding the Fourth Proportional to 18,844.20, 28,258.29 and 5,689.44

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Solution

The fourth proportional to 18,844.20, 28,258.29 and 5,689.44 is: 8,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844.20 : 28,258.29 = 5,689.44 : x
  2. Step 2: Convert to fraction form
    18,844.20/28,258.29 = 5,689.44/x
  3. Step 3: Cross multiply
    18,844.20x = 28,258.29 × 5,689.44
  4. Step 4: Simplify right side
    18,844.20x = 160,773,845.46
  5. Step 5: Solve for x
    x = 160,773,845.46/18,844.20
  6. Step 6: Final answer
    x = 8,531.74

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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.