Home / 14,060.62-21,123.74-8,221.33

Finding the Fourth Proportional to 14,060.62, 21,123.74 and 8,221.33

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Solution

The fourth proportional to 14,060.62, 21,123.74 and 8,221.33 is: 12,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,060.62 : 21,123.74 = 8,221.33 : x
  2. Step 2: Convert to fraction form
    14,060.62/21,123.74 = 8,221.33/x
  3. Step 3: Cross multiply
    14,060.62x = 21,123.74 × 8,221.33
  4. Step 4: Simplify right side
    14,060.62x = 173,665,237.37
  5. Step 5: Solve for x
    x = 173,665,237.37/14,060.62
  6. Step 6: Final answer
    x = 12,351.18

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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.