Home / 14,112.19-21,169.70-3,723.94

Finding the Fourth Proportional to 14,112.19, 21,169.70 and 3,723.94

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Solution

The fourth proportional to 14,112.19, 21,169.70 and 3,723.94 is: 5,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.19 : 21,169.70 = 3,723.94 : x
  2. Step 2: Convert to fraction form
    14,112.19/21,169.70 = 3,723.94/x
  3. Step 3: Cross multiply
    14,112.19x = 21,169.70 × 3,723.94
  4. Step 4: Simplify right side
    14,112.19x = 78,834,692.62
  5. Step 5: Solve for x
    x = 78,834,692.62/14,112.19
  6. Step 6: Final answer
    x = 5,586.28

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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.