Home / 21,554.41-29,744.85-11,994.25

Finding the Fourth Proportional to 21,554.41, 29,744.85 and 11,994.25

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Solution

The fourth proportional to 21,554.41, 29,744.85 and 11,994.25 is: 16,551.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.41 : 29,744.85 = 11,994.25 : x
  2. Step 2: Convert to fraction form
    21,554.41/29,744.85 = 11,994.25/x
  3. Step 3: Cross multiply
    21,554.41x = 29,744.85 × 11,994.25
  4. Step 4: Simplify right side
    21,554.41x = 356,767,167.11
  5. Step 5: Solve for x
    x = 356,767,167.11/21,554.41
  6. Step 6: Final answer
    x = 16,551.93

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Double scale
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Similar ratio
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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.