Home / 12,819.57-19,226.97-10,335.26

Finding the Fourth Proportional to 12,819.57, 19,226.97 and 10,335.26

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Solution

The fourth proportional to 12,819.57, 19,226.97 and 10,335.26 is: 15,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819.57 : 19,226.97 = 10,335.26 : x
  2. Step 2: Convert to fraction form
    12,819.57/19,226.97 = 10,335.26/x
  3. Step 3: Cross multiply
    12,819.57x = 19,226.97 × 10,335.26
  4. Step 4: Simplify right side
    12,819.57x = 198,715,782.03
  5. Step 5: Solve for x
    x = 198,715,782.03/12,819.57
  6. Step 6: Final answer
    x = 15,500.98

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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.