Home / 12,894.26-19,340.75-3,534.13

Finding the Fourth Proportional to 12,894.26, 19,340.75 and 3,534.13

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Solution

The fourth proportional to 12,894.26, 19,340.75 and 3,534.13 is: 5,301.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,894.26 : 19,340.75 = 3,534.13 : x
  2. Step 2: Convert to fraction form
    12,894.26/19,340.75 = 3,534.13/x
  3. Step 3: Cross multiply
    12,894.26x = 19,340.75 × 3,534.13
  4. Step 4: Simplify right side
    12,894.26x = 68,352,747.87
  5. Step 5: Solve for x
    x = 68,352,747.87/12,894.26
  6. Step 6: Final answer
    x = 5,301.02

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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.