Home / 14,060.75-21,123.92-8,221.46

Finding the Fourth Proportional to 14,060.75, 21,123.92 and 8,221.46

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Solution

The fourth proportional to 14,060.75, 21,123.92 and 8,221.46 is: 12,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,060.75 : 21,123.92 = 8,221.46 : x
  2. Step 2: Convert to fraction form
    14,060.75/21,123.92 = 8,221.46/x
  3. Step 3: Cross multiply
    14,060.75x = 21,123.92 × 8,221.46
  4. Step 4: Simplify right side
    14,060.75x = 173,669,378.26
  5. Step 5: Solve for x
    x = 173,669,378.26/14,060.75
  6. Step 6: Final answer
    x = 12,351.36

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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.