Home / 20,351.24-30,529.92-7,203.74

Finding the Fourth Proportional to 20,351.24, 30,529.92 and 7,203.74

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Solution

The fourth proportional to 20,351.24, 30,529.92 and 7,203.74 is: 10,806.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.24 : 30,529.92 = 7,203.74 : x
  2. Step 2: Convert to fraction form
    20,351.24/30,529.92 = 7,203.74/x
  3. Step 3: Cross multiply
    20,351.24x = 30,529.92 × 7,203.74
  4. Step 4: Simplify right side
    20,351.24x = 219,929,605.90
  5. Step 5: Solve for x
    x = 219,929,605.90/20,351.24
  6. Step 6: Final answer
    x = 10,806.69

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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.