Home / 12,274.08-18,408.96-3,956.16

Finding the Fourth Proportional to 12,274.08, 18,408.96 and 3,956.16

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Solution

The fourth proportional to 12,274.08, 18,408.96 and 3,956.16 is: 5,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.08 : 18,408.96 = 3,956.16 : x
  2. Step 2: Convert to fraction form
    12,274.08/18,408.96 = 3,956.16/x
  3. Step 3: Cross multiply
    12,274.08x = 18,408.96 × 3,956.16
  4. Step 4: Simplify right side
    12,274.08x = 72,828,791.19
  5. Step 5: Solve for x
    x = 72,828,791.19/12,274.08
  6. Step 6: Final answer
    x = 5,933.54

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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.