Home / 20,235.19-27,924.78-11,737.89

Finding the Fourth Proportional to 20,235.19, 27,924.78 and 11,737.89

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Solution

The fourth proportional to 20,235.19, 27,924.78 and 11,737.89 is: 16,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.19 : 27,924.78 = 11,737.89 : x
  2. Step 2: Convert to fraction form
    20,235.19/27,924.78 = 11,737.89/x
  3. Step 3: Cross multiply
    20,235.19x = 27,924.78 × 11,737.89
  4. Step 4: Simplify right side
    20,235.19x = 327,777,995.91
  5. Step 5: Solve for x
    x = 327,777,995.91/20,235.19
  6. Step 6: Final answer
    x = 16,198.41

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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.