Home / 12,711.60-19,063.30-11,882.36

Finding the Fourth Proportional to 12,711.60, 19,063.30 and 11,882.36

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Solution

The fourth proportional to 12,711.60, 19,063.30 and 11,882.36 is: 17,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.60 : 19,063.30 = 11,882.36 : x
  2. Step 2: Convert to fraction form
    12,711.60/19,063.30 = 11,882.36/x
  3. Step 3: Cross multiply
    12,711.60x = 19,063.30 × 11,882.36
  4. Step 4: Simplify right side
    12,711.60x = 226,516,993.39
  5. Step 5: Solve for x
    x = 226,516,993.39/12,711.60
  6. Step 6: Final answer
    x = 17,819.71

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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.