Home / 13,364.80-20,047.20-3,504.04

Finding the Fourth Proportional to 13,364.80, 20,047.20 and 3,504.04

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Solution

The fourth proportional to 13,364.80, 20,047.20 and 3,504.04 is: 5,256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.80 : 20,047.20 = 3,504.04 : x
  2. Step 2: Convert to fraction form
    13,364.80/20,047.20 = 3,504.04/x
  3. Step 3: Cross multiply
    13,364.80x = 20,047.20 × 3,504.04
  4. Step 4: Simplify right side
    13,364.80x = 70,246,190.69
  5. Step 5: Solve for x
    x = 70,246,190.69/13,364.80
  6. Step 6: Final answer
    x = 5,256.06

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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.