Home / 9,123.82-13,659.07-8,248.33

Finding the Fourth Proportional to 9,123.82, 13,659.07 and 8,248.33

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Solution

The fourth proportional to 9,123.82, 13,659.07 and 8,248.33 is: 12,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.82 : 13,659.07 = 8,248.33 : x
  2. Step 2: Convert to fraction form
    9,123.82/13,659.07 = 8,248.33/x
  3. Step 3: Cross multiply
    9,123.82x = 13,659.07 × 8,248.33
  4. Step 4: Simplify right side
    9,123.82x = 112,664,516.85
  5. Step 5: Solve for x
    x = 112,664,516.85/9,123.82
  6. Step 6: Final answer
    x = 12,348.39

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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.