Home / 13,956.75-19,249.38-8,648.55

Finding the Fourth Proportional to 13,956.75, 19,249.38 and 8,648.55

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Solution

The fourth proportional to 13,956.75, 19,249.38 and 8,648.55 is: 11,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.75 : 19,249.38 = 8,648.55 : x
  2. Step 2: Convert to fraction form
    13,956.75/19,249.38 = 8,648.55/x
  3. Step 3: Cross multiply
    13,956.75x = 19,249.38 × 8,648.55
  4. Step 4: Simplify right side
    13,956.75x = 166,479,225.40
  5. Step 5: Solve for x
    x = 166,479,225.40/13,956.75
  6. Step 6: Final answer
    x = 11,928.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.