Home / 13,546.19-18,694.66-7,578.42

Finding the Fourth Proportional to 13,546.19, 18,694.66 and 7,578.42

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Solution

The fourth proportional to 13,546.19, 18,694.66 and 7,578.42 is: 10,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.19 : 18,694.66 = 7,578.42 : x
  2. Step 2: Convert to fraction form
    13,546.19/18,694.66 = 7,578.42/x
  3. Step 3: Cross multiply
    13,546.19x = 18,694.66 × 7,578.42
  4. Step 4: Simplify right side
    13,546.19x = 141,675,985.24
  5. Step 5: Solve for x
    x = 141,675,985.24/13,546.19
  6. Step 6: Final answer
    x = 10,458.73

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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.