Home / 19,759.32-29,638.44-8,069.76

Finding the Fourth Proportional to 19,759.32, 29,638.44 and 8,069.76

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Solution

The fourth proportional to 19,759.32, 29,638.44 and 8,069.76 is: 12,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.32 : 29,638.44 = 8,069.76 : x
  2. Step 2: Convert to fraction form
    19,759.32/29,638.44 = 8,069.76/x
  3. Step 3: Cross multiply
    19,759.32x = 29,638.44 × 8,069.76
  4. Step 4: Simplify right side
    19,759.32x = 239,175,097.57
  5. Step 5: Solve for x
    x = 239,175,097.57/19,759.32
  6. Step 6: Final answer
    x = 12,104.42

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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.