Home / 13,249.40-19,866.54-5,448.92

Finding the Fourth Proportional to 13,249.40, 19,866.54 and 5,448.92

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Solution

The fourth proportional to 13,249.40, 19,866.54 and 5,448.92 is: 8,170.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.40 : 19,866.54 = 5,448.92 : x
  2. Step 2: Convert to fraction form
    13,249.40/19,866.54 = 5,448.92/x
  3. Step 3: Cross multiply
    13,249.40x = 19,866.54 × 5,448.92
  4. Step 4: Simplify right side
    13,249.40x = 108,251,187.14
  5. Step 5: Solve for x
    x = 108,251,187.14/13,249.40
  6. Step 6: Final answer
    x = 8,170.27

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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.