Home / 20,223.46-30,315.60-7,733.87

Finding the Fourth Proportional to 20,223.46, 30,315.60 and 7,733.87

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Solution

The fourth proportional to 20,223.46, 30,315.60 and 7,733.87 is: 11,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.46 : 30,315.60 = 7,733.87 : x
  2. Step 2: Convert to fraction form
    20,223.46/30,315.60 = 7,733.87/x
  3. Step 3: Cross multiply
    20,223.46x = 30,315.60 × 7,733.87
  4. Step 4: Simplify right side
    20,223.46x = 234,456,909.37
  5. Step 5: Solve for x
    x = 234,456,909.37/20,223.46
  6. Step 6: Final answer
    x = 11,593.31

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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.