Home / 13,964.08-20,949.47-4,103.14

Finding the Fourth Proportional to 13,964.08, 20,949.47 and 4,103.14

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Solution

The fourth proportional to 13,964.08, 20,949.47 and 4,103.14 is: 6,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.08 : 20,949.47 = 4,103.14 : x
  2. Step 2: Convert to fraction form
    13,964.08/20,949.47 = 4,103.14/x
  3. Step 3: Cross multiply
    13,964.08x = 20,949.47 × 4,103.14
  4. Step 4: Simplify right side
    13,964.08x = 85,958,608.34
  5. Step 5: Solve for x
    x = 85,958,608.34/13,964.08
  6. Step 6: Final answer
    x = 6,155.69

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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.