Home / 13,763.22-20,641.79-3,902.28

Finding the Fourth Proportional to 13,763.22, 20,641.79 and 3,902.28

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Solution

The fourth proportional to 13,763.22, 20,641.79 and 3,902.28 is: 5,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.22 : 20,641.79 = 3,902.28 : x
  2. Step 2: Convert to fraction form
    13,763.22/20,641.79 = 3,902.28/x
  3. Step 3: Cross multiply
    13,763.22x = 20,641.79 × 3,902.28
  4. Step 4: Simplify right side
    13,763.22x = 80,550,024.77
  5. Step 5: Solve for x
    x = 80,550,024.77/13,763.22
  6. Step 6: Final answer
    x = 5,852.56

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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.