Home / 20,223.50-30,341.24-10,369.70

Finding the Fourth Proportional to 20,223.50, 30,341.24 and 10,369.70

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Solution

The fourth proportional to 20,223.50, 30,341.24 and 10,369.70 is: 15,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.50 : 30,341.24 = 10,369.70 : x
  2. Step 2: Convert to fraction form
    20,223.50/30,341.24 = 10,369.70/x
  3. Step 3: Cross multiply
    20,223.50x = 30,341.24 × 10,369.70
  4. Step 4: Simplify right side
    20,223.50x = 314,629,352.87
  5. Step 5: Solve for x
    x = 314,629,352.87/20,223.50
  6. Step 6: Final answer
    x = 15,557.61

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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.