Home / 13,410.14-20,114.78-3,549.51

Finding the Fourth Proportional to 13,410.14, 20,114.78 and 3,549.51

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Solution

The fourth proportional to 13,410.14, 20,114.78 and 3,549.51 is: 5,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.14 : 20,114.78 = 3,549.51 : x
  2. Step 2: Convert to fraction form
    13,410.14/20,114.78 = 3,549.51/x
  3. Step 3: Cross multiply
    13,410.14x = 20,114.78 × 3,549.51
  4. Step 4: Simplify right side
    13,410.14x = 71,397,595.01
  5. Step 5: Solve for x
    x = 71,397,595.01/13,410.14
  6. Step 6: Final answer
    x = 5,324.15

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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.