Home / 14,334.60-21,500.28-3,945

Finding the Fourth Proportional to 14,334.60, 21,500.28 and 3,945

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Solution

The fourth proportional to 14,334.60, 21,500.28 and 3,945 is: 5,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,334.60 : 21,500.28 = 3,945 : x
  2. Step 2: Convert to fraction form
    14,334.60/21,500.28 = 3,945/x
  3. Step 3: Cross multiply
    14,334.60x = 21,500.28 × 3,945
  4. Step 4: Simplify right side
    14,334.60x = 84,818,604.60
  5. Step 5: Solve for x
    x = 84,818,604.60/14,334.60
  6. Step 6: Final answer
    x = 5,917.05

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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.