Home / 13,974.25-20,964.45-4,114.29

Finding the Fourth Proportional to 13,974.25, 20,964.45 and 4,114.29

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Solution

The fourth proportional to 13,974.25, 20,964.45 and 4,114.29 is: 6,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.25 : 20,964.45 = 4,114.29 : x
  2. Step 2: Convert to fraction form
    13,974.25/20,964.45 = 4,114.29/x
  3. Step 3: Cross multiply
    13,974.25x = 20,964.45 × 4,114.29
  4. Step 4: Simplify right side
    13,974.25x = 86,253,886.32
  5. Step 5: Solve for x
    x = 86,253,886.32/13,974.25
  6. Step 6: Final answer
    x = 6,172.35

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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.