Home / 13,949.51-20,924.30-3,419.58

Finding the Fourth Proportional to 13,949.51, 20,924.30 and 3,419.58

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Solution

The fourth proportional to 13,949.51, 20,924.30 and 3,419.58 is: 5,129.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.51 : 20,924.30 = 3,419.58 : x
  2. Step 2: Convert to fraction form
    13,949.51/20,924.30 = 3,419.58/x
  3. Step 3: Cross multiply
    13,949.51x = 20,924.30 × 3,419.58
  4. Step 4: Simplify right side
    13,949.51x = 71,552,265.48
  5. Step 5: Solve for x
    x = 71,552,265.48/13,949.51
  6. Step 6: Final answer
    x = 5,129.37

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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.