Home / 13,934.62-19,229.97-7,647.13

Finding the Fourth Proportional to 13,934.62, 19,229.97 and 7,647.13

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Solution

The fourth proportional to 13,934.62, 19,229.97 and 7,647.13 is: 10,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.62 : 19,229.97 = 7,647.13 : x
  2. Step 2: Convert to fraction form
    13,934.62/19,229.97 = 7,647.13/x
  3. Step 3: Cross multiply
    13,934.62x = 19,229.97 × 7,647.13
  4. Step 4: Simplify right side
    13,934.62x = 147,054,080.49
  5. Step 5: Solve for x
    x = 147,054,080.49/13,934.62
  6. Step 6: Final answer
    x = 10,553.15

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1.5x scale

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.