Home / 20,103.98-27,744.75-11,607.66

Finding the Fourth Proportional to 20,103.98, 27,744.75 and 11,607.66

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Solution

The fourth proportional to 20,103.98, 27,744.75 and 11,607.66 is: 16,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103.98 : 27,744.75 = 11,607.66 : x
  2. Step 2: Convert to fraction form
    20,103.98/27,744.75 = 11,607.66/x
  3. Step 3: Cross multiply
    20,103.98x = 27,744.75 × 11,607.66
  4. Step 4: Simplify right side
    20,103.98x = 322,051,624.79
  5. Step 5: Solve for x
    x = 322,051,624.79/20,103.98
  6. Step 6: Final answer
    x = 16,019.30

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Double scale
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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.