Home / 14,221.35-21,327.39-6,724.17

Finding the Fourth Proportional to 14,221.35, 21,327.39 and 6,724.17

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Solution

The fourth proportional to 14,221.35, 21,327.39 and 6,724.17 is: 10,084.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.35 : 21,327.39 = 6,724.17 : x
  2. Step 2: Convert to fraction form
    14,221.35/21,327.39 = 6,724.17/x
  3. Step 3: Cross multiply
    14,221.35x = 21,327.39 × 6,724.17
  4. Step 4: Simplify right side
    14,221.35x = 143,408,996.02
  5. Step 5: Solve for x
    x = 143,408,996.02/14,221.35
  6. Step 6: Final answer
    x = 10,084.06

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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.