Home / 13,922.32-20,884.68-3,534.08

Finding the Fourth Proportional to 13,922.32, 20,884.68 and 3,534.08

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Solution

The fourth proportional to 13,922.32, 20,884.68 and 3,534.08 is: 5,301.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.32 : 20,884.68 = 3,534.08 : x
  2. Step 2: Convert to fraction form
    13,922.32/20,884.68 = 3,534.08/x
  3. Step 3: Cross multiply
    13,922.32x = 20,884.68 × 3,534.08
  4. Step 4: Simplify right side
    13,922.32x = 73,808,129.89
  5. Step 5: Solve for x
    x = 73,808,129.89/13,922.32
  6. Step 6: Final answer
    x = 5,301.42

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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.