Home / 20,202.60-30,311.18-10,346.52

Finding the Fourth Proportional to 20,202.60, 30,311.18 and 10,346.52

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Solution

The fourth proportional to 20,202.60, 30,311.18 and 10,346.52 is: 15,523.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.60 : 30,311.18 = 10,346.52 : x
  2. Step 2: Convert to fraction form
    20,202.60/30,311.18 = 10,346.52/x
  3. Step 3: Cross multiply
    20,202.60x = 30,311.18 × 10,346.52
  4. Step 4: Simplify right side
    20,202.60x = 313,615,230.09
  5. Step 5: Solve for x
    x = 313,615,230.09/20,202.60
  6. Step 6: Final answer
    x = 15,523.51

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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.