Home / 13,249.03-19,873.65-3,889.20

Finding the Fourth Proportional to 13,249.03, 19,873.65 and 3,889.20

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Solution

The fourth proportional to 13,249.03, 19,873.65 and 3,889.20 is: 5,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.03 : 19,873.65 = 3,889.20 : x
  2. Step 2: Convert to fraction form
    13,249.03/19,873.65 = 3,889.20/x
  3. Step 3: Cross multiply
    13,249.03x = 19,873.65 × 3,889.20
  4. Step 4: Simplify right side
    13,249.03x = 77,292,599.58
  5. Step 5: Solve for x
    x = 77,292,599.58/13,249.03
  6. Step 6: Final answer
    x = 5,833.83

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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.