Home / 19,441.09-29,161.44-8,908.12

Finding the Fourth Proportional to 19,441.09, 29,161.44 and 8,908.12

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Solution

The fourth proportional to 19,441.09, 29,161.44 and 8,908.12 is: 13,362.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,441.09 : 29,161.44 = 8,908.12 : x
  2. Step 2: Convert to fraction form
    19,441.09/29,161.44 = 8,908.12/x
  3. Step 3: Cross multiply
    19,441.09x = 29,161.44 × 8,908.12
  4. Step 4: Simplify right side
    19,441.09x = 259,773,606.89
  5. Step 5: Solve for x
    x = 259,773,606.89/19,441.09
  6. Step 6: Final answer
    x = 13,362.09

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.