Home / 11,635.20-17,418.51-7,679.16

Finding the Fourth Proportional to 11,635.20, 17,418.51 and 7,679.16

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Solution

The fourth proportional to 11,635.20, 17,418.51 and 7,679.16 is: 11,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,635.20 : 17,418.51 = 7,679.16 : x
  2. Step 2: Convert to fraction form
    11,635.20/17,418.51 = 7,679.16/x
  3. Step 3: Cross multiply
    11,635.20x = 17,418.51 × 7,679.16
  4. Step 4: Simplify right side
    11,635.20x = 133,759,525.25
  5. Step 5: Solve for x
    x = 133,759,525.25/11,635.20
  6. Step 6: Final answer
    x = 11,496.11

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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.