Home / 20,108.63-27,753.83-11,616.23

Finding the Fourth Proportional to 20,108.63, 27,753.83 and 11,616.23

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Solution

The fourth proportional to 20,108.63, 27,753.83 and 11,616.23 is: 16,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108.63 : 27,753.83 = 11,616.23 : x
  2. Step 2: Convert to fraction form
    20,108.63/27,753.83 = 11,616.23/x
  3. Step 3: Cross multiply
    20,108.63x = 27,753.83 × 11,616.23
  4. Step 4: Simplify right side
    20,108.63x = 322,394,675.81
  5. Step 5: Solve for x
    x = 322,394,675.81/20,108.63
  6. Step 6: Final answer
    x = 16,032.66

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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.