Home / 20,202.24-30,247.47-10,320.24

Finding the Fourth Proportional to 20,202.24, 30,247.47 and 10,320.24

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Solution

The fourth proportional to 20,202.24, 30,247.47 and 10,320.24 is: 15,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.24 : 30,247.47 = 10,320.24 : x
  2. Step 2: Convert to fraction form
    20,202.24/30,247.47 = 10,320.24/x
  3. Step 3: Cross multiply
    20,202.24x = 30,247.47 × 10,320.24
  4. Step 4: Simplify right side
    20,202.24x = 312,161,149.79
  5. Step 5: Solve for x
    x = 312,161,149.79/20,202.24
  6. Step 6: Final answer
    x = 15,451.81

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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.