Home / 13,616.06-20,418.82-5,294.95

Finding the Fourth Proportional to 13,616.06, 20,418.82 and 5,294.95

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Solution

The fourth proportional to 13,616.06, 20,418.82 and 5,294.95 is: 7,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616.06 : 20,418.82 = 5,294.95 : x
  2. Step 2: Convert to fraction form
    13,616.06/20,418.82 = 5,294.95/x
  3. Step 3: Cross multiply
    13,616.06x = 20,418.82 × 5,294.95
  4. Step 4: Simplify right side
    13,616.06x = 108,116,566.67
  5. Step 5: Solve for x
    x = 108,116,566.67/13,616.06
  6. Step 6: Final answer
    x = 7,940.37

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1.5x scale

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.