Home / 19,759.09-29,641.35-8,069.57

Finding the Fourth Proportional to 19,759.09, 29,641.35 and 8,069.57

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Solution

The fourth proportional to 19,759.09, 29,641.35 and 8,069.57 is: 12,105.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.09 : 29,641.35 = 8,069.57 : x
  2. Step 2: Convert to fraction form
    19,759.09/29,641.35 = 8,069.57/x
  3. Step 3: Cross multiply
    19,759.09x = 29,641.35 × 8,069.57
  4. Step 4: Simplify right side
    19,759.09x = 239,192,948.72
  5. Step 5: Solve for x
    x = 239,192,948.72/19,759.09
  6. Step 6: Final answer
    x = 12,105.46

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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.