Home / 11,621.17-17,427.66-4,223.95

Finding the Fourth Proportional to 11,621.17, 17,427.66 and 4,223.95

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Solution

The fourth proportional to 11,621.17, 17,427.66 and 4,223.95 is: 6,334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.17 : 17,427.66 = 4,223.95 : x
  2. Step 2: Convert to fraction form
    11,621.17/17,427.66 = 4,223.95/x
  3. Step 3: Cross multiply
    11,621.17x = 17,427.66 × 4,223.95
  4. Step 4: Simplify right side
    11,621.17x = 73,613,505.05
  5. Step 5: Solve for x
    x = 73,613,505.05/11,621.17
  6. Step 6: Final answer
    x = 6,334.43

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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.