Home / 14,640.27-21,961.39-5,151.46

Finding the Fourth Proportional to 14,640.27, 21,961.39 and 5,151.46

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Solution

The fourth proportional to 14,640.27, 21,961.39 and 5,151.46 is: 7,727.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.27 : 21,961.39 = 5,151.46 : x
  2. Step 2: Convert to fraction form
    14,640.27/21,961.39 = 5,151.46/x
  3. Step 3: Cross multiply
    14,640.27x = 21,961.39 × 5,151.46
  4. Step 4: Simplify right side
    14,640.27x = 113,133,209.25
  5. Step 5: Solve for x
    x = 113,133,209.25/14,640.27
  6. Step 6: Final answer
    x = 7,727.53

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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.