Home / 19,759.51-29,639.32-8,072.73

Finding the Fourth Proportional to 19,759.51, 29,639.32 and 8,072.73

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Solution

The fourth proportional to 19,759.51, 29,639.32 and 8,072.73 is: 12,109.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.51 : 29,639.32 = 8,072.73 : x
  2. Step 2: Convert to fraction form
    19,759.51/29,639.32 = 8,072.73/x
  3. Step 3: Cross multiply
    19,759.51x = 29,639.32 × 8,072.73
  4. Step 4: Simplify right side
    19,759.51x = 239,270,207.56
  5. Step 5: Solve for x
    x = 239,270,207.56/19,759.51
  6. Step 6: Final answer
    x = 12,109.12

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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.