Home / 21,373.56-29,495.40-11,942.04

Finding the Fourth Proportional to 21,373.56, 29,495.40 and 11,942.04

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Solution

The fourth proportional to 21,373.56, 29,495.40 and 11,942.04 is: 16,479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.56 : 29,495.40 = 11,942.04 : x
  2. Step 2: Convert to fraction form
    21,373.56/29,495.40 = 11,942.04/x
  3. Step 3: Cross multiply
    21,373.56x = 29,495.40 × 11,942.04
  4. Step 4: Simplify right side
    21,373.56x = 352,235,246.62
  5. Step 5: Solve for x
    x = 352,235,246.62/21,373.56
  6. Step 6: Final answer
    x = 16,479.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.