Home / 19,441.66-29,191.65-11,131.06

Finding the Fourth Proportional to 19,441.66, 29,191.65 and 11,131.06

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Solution

The fourth proportional to 19,441.66, 29,191.65 and 11,131.06 is: 16,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,441.66 : 29,191.65 = 11,131.06 : x
  2. Step 2: Convert to fraction form
    19,441.66/29,191.65 = 11,131.06/x
  3. Step 3: Cross multiply
    19,441.66x = 29,191.65 × 11,131.06
  4. Step 4: Simplify right side
    19,441.66x = 324,934,007.65
  5. Step 5: Solve for x
    x = 324,934,007.65/19,441.66
  6. Step 6: Final answer
    x = 16,713.29

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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.