Home / 11,838.54-17,751.72-6,294.90

Finding the Fourth Proportional to 11,838.54, 17,751.72 and 6,294.90

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Solution

The fourth proportional to 11,838.54, 17,751.72 and 6,294.90 is: 9,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.54 : 17,751.72 = 6,294.90 : x
  2. Step 2: Convert to fraction form
    11,838.54/17,751.72 = 6,294.90/x
  3. Step 3: Cross multiply
    11,838.54x = 17,751.72 × 6,294.90
  4. Step 4: Simplify right side
    11,838.54x = 111,745,302.23
  5. Step 5: Solve for x
    x = 111,745,302.23/11,838.54
  6. Step 6: Final answer
    x = 9,439.11

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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.