Home / 14,480.45-21,724.32-4,092.20

Finding the Fourth Proportional to 14,480.45, 21,724.32 and 4,092.20

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Solution

The fourth proportional to 14,480.45, 21,724.32 and 4,092.20 is: 6,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.45 : 21,724.32 = 4,092.20 : x
  2. Step 2: Convert to fraction form
    14,480.45/21,724.32 = 4,092.20/x
  3. Step 3: Cross multiply
    14,480.45x = 21,724.32 × 4,092.20
  4. Step 4: Simplify right side
    14,480.45x = 88,900,153.68
  5. Step 5: Solve for x
    x = 88,900,153.68/14,480.45
  6. Step 6: Final answer
    x = 6,139.32

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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.