Home / 14,122.19-21,194.21-7,553.90

Finding the Fourth Proportional to 14,122.19, 21,194.21 and 7,553.90

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Solution

The fourth proportional to 14,122.19, 21,194.21 and 7,553.90 is: 11,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.19 : 21,194.21 = 7,553.90 : x
  2. Step 2: Convert to fraction form
    14,122.19/21,194.21 = 7,553.90/x
  3. Step 3: Cross multiply
    14,122.19x = 21,194.21 × 7,553.90
  4. Step 4: Simplify right side
    14,122.19x = 160,098,855.83
  5. Step 5: Solve for x
    x = 160,098,855.83/14,122.19
  6. Step 6: Final answer
    x = 11,336.69

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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.