Home / 20,023.52-30,033.60-6,172.64

Finding the Fourth Proportional to 20,023.52, 30,033.60 and 6,172.64

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Solution

The fourth proportional to 20,023.52, 30,033.60 and 6,172.64 is: 9,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.52 : 30,033.60 = 6,172.64 : x
  2. Step 2: Convert to fraction form
    20,023.52/30,033.60 = 6,172.64/x
  3. Step 3: Cross multiply
    20,023.52x = 30,033.60 × 6,172.64
  4. Step 4: Simplify right side
    20,023.52x = 185,386,600.70
  5. Step 5: Solve for x
    x = 185,386,600.70/20,023.52
  6. Step 6: Final answer
    x = 9,258.44

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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.