Home / 13,881.72-19,163.07-8,852.79

Finding the Fourth Proportional to 13,881.72, 19,163.07 and 8,852.79

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Solution

The fourth proportional to 13,881.72, 19,163.07 and 8,852.79 is: 12,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.72 : 19,163.07 = 8,852.79 : x
  2. Step 2: Convert to fraction form
    13,881.72/19,163.07 = 8,852.79/x
  3. Step 3: Cross multiply
    13,881.72x = 19,163.07 × 8,852.79
  4. Step 4: Simplify right side
    13,881.72x = 169,646,634.47
  5. Step 5: Solve for x
    x = 169,646,634.47/13,881.72
  6. Step 6: Final answer
    x = 12,220.87

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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.