Home / 19,486.06-29,245.42-10,131.82

Finding the Fourth Proportional to 19,486.06, 29,245.42 and 10,131.82

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Solution

The fourth proportional to 19,486.06, 29,245.42 and 10,131.82 is: 15,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.06 : 29,245.42 = 10,131.82 : x
  2. Step 2: Convert to fraction form
    19,486.06/29,245.42 = 10,131.82/x
  3. Step 3: Cross multiply
    19,486.06x = 29,245.42 × 10,131.82
  4. Step 4: Simplify right side
    19,486.06x = 296,309,331.26
  5. Step 5: Solve for x
    x = 296,309,331.26/19,486.06
  6. Step 6: Final answer
    x = 15,206.22

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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.