Home / 20,284.08-27,994.68-11,901.36

Finding the Fourth Proportional to 20,284.08, 27,994.68 and 11,901.36

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Solution

The fourth proportional to 20,284.08, 27,994.68 and 11,901.36 is: 16,425.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.08 : 27,994.68 = 11,901.36 : x
  2. Step 2: Convert to fraction form
    20,284.08/27,994.68 = 11,901.36/x
  3. Step 3: Cross multiply
    20,284.08x = 27,994.68 × 11,901.36
  4. Step 4: Simplify right side
    20,284.08x = 333,174,764.76
  5. Step 5: Solve for x
    x = 333,174,764.76/20,284.08
  6. Step 6: Final answer
    x = 16,425.43

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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.