Home / 20,173.60-30,244.20-7,025.68

Finding the Fourth Proportional to 20,173.60, 30,244.20 and 7,025.68

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Solution

The fourth proportional to 20,173.60, 30,244.20 and 7,025.68 is: 10,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.60 : 30,244.20 = 7,025.68 : x
  2. Step 2: Convert to fraction form
    20,173.60/30,244.20 = 7,025.68/x
  3. Step 3: Cross multiply
    20,173.60x = 30,244.20 × 7,025.68
  4. Step 4: Simplify right side
    20,173.60x = 212,486,071.06
  5. Step 5: Solve for x
    x = 212,486,071.06/20,173.60
  6. Step 6: Final answer
    x = 10,532.88

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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.