Home / 19,498.05-26,908.90-10,999.73

Finding the Fourth Proportional to 19,498.05, 26,908.90 and 10,999.73

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Solution

The fourth proportional to 19,498.05, 26,908.90 and 10,999.73 is: 15,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498.05 : 26,908.90 = 10,999.73 : x
  2. Step 2: Convert to fraction form
    19,498.05/26,908.90 = 10,999.73/x
  3. Step 3: Cross multiply
    19,498.05x = 26,908.90 × 10,999.73
  4. Step 4: Simplify right side
    19,498.05x = 295,990,634.60
  5. Step 5: Solve for x
    x = 295,990,634.60/19,498.05
  6. Step 6: Final answer
    x = 15,180.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.