Home / 13,849.22-19,112.44-7,881.38

Finding the Fourth Proportional to 13,849.22, 19,112.44 and 7,881.38

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Solution

The fourth proportional to 13,849.22, 19,112.44 and 7,881.38 is: 10,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.22 : 19,112.44 = 7,881.38 : x
  2. Step 2: Convert to fraction form
    13,849.22/19,112.44 = 7,881.38/x
  3. Step 3: Cross multiply
    13,849.22x = 19,112.44 × 7,881.38
  4. Step 4: Simplify right side
    13,849.22x = 150,632,402.37
  5. Step 5: Solve for x
    x = 150,632,402.37/13,849.22
  6. Step 6: Final answer
    x = 10,876.60

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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.