Home / 20,248.36-27,942.06-11,864.68

Finding the Fourth Proportional to 20,248.36, 27,942.06 and 11,864.68

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Solution

The fourth proportional to 20,248.36, 27,942.06 and 11,864.68 is: 16,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.36 : 27,942.06 = 11,864.68 : x
  2. Step 2: Convert to fraction form
    20,248.36/27,942.06 = 11,864.68/x
  3. Step 3: Cross multiply
    20,248.36x = 27,942.06 × 11,864.68
  4. Step 4: Simplify right side
    20,248.36x = 331,523,600.44
  5. Step 5: Solve for x
    x = 331,523,600.44/20,248.36
  6. Step 6: Final answer
    x = 16,372.86

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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.