Home / 11,759.80-17,638.82-5,521.24

Finding the Fourth Proportional to 11,759.80, 17,638.82 and 5,521.24

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Solution

The fourth proportional to 11,759.80, 17,638.82 and 5,521.24 is: 8,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.80 : 17,638.82 = 5,521.24 : x
  2. Step 2: Convert to fraction form
    11,759.80/17,638.82 = 5,521.24/x
  3. Step 3: Cross multiply
    11,759.80x = 17,638.82 × 5,521.24
  4. Step 4: Simplify right side
    11,759.80x = 97,388,158.54
  5. Step 5: Solve for x
    x = 97,388,158.54/11,759.80
  6. Step 6: Final answer
    x = 8,281.45

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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.