Home / 14,220.86-21,322.17-5,906.61

Finding the Fourth Proportional to 14,220.86, 21,322.17 and 5,906.61

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Solution

The fourth proportional to 14,220.86, 21,322.17 and 5,906.61 is: 8,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.86 : 21,322.17 = 5,906.61 : x
  2. Step 2: Convert to fraction form
    14,220.86/21,322.17 = 5,906.61/x
  3. Step 3: Cross multiply
    14,220.86x = 21,322.17 × 5,906.61
  4. Step 4: Simplify right side
    14,220.86x = 125,941,742.54
  5. Step 5: Solve for x
    x = 125,941,742.54/14,220.86
  6. Step 6: Final answer
    x = 8,856.13

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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.