Home / 12,696.31-19,073.66-8,956.69

Finding the Fourth Proportional to 12,696.31, 19,073.66 and 8,956.69

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Solution

The fourth proportional to 12,696.31, 19,073.66 and 8,956.69 is: 13,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696.31 : 19,073.66 = 8,956.69 : x
  2. Step 2: Convert to fraction form
    12,696.31/19,073.66 = 8,956.69/x
  3. Step 3: Cross multiply
    12,696.31x = 19,073.66 × 8,956.69
  4. Step 4: Simplify right side
    12,696.31x = 170,836,859.79
  5. Step 5: Solve for x
    x = 170,836,859.79/12,696.31
  6. Step 6: Final answer
    x = 13,455.63

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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.