Home / 14,480.80-21,720.24-4,093.60

Finding the Fourth Proportional to 14,480.80, 21,720.24 and 4,093.60

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Solution

The fourth proportional to 14,480.80, 21,720.24 and 4,093.60 is: 6,140.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.80 : 21,720.24 = 4,093.60 : x
  2. Step 2: Convert to fraction form
    14,480.80/21,720.24 = 4,093.60/x
  3. Step 3: Cross multiply
    14,480.80x = 21,720.24 × 4,093.60
  4. Step 4: Simplify right side
    14,480.80x = 88,913,974.46
  5. Step 5: Solve for x
    x = 88,913,974.46/14,480.80
  6. Step 6: Final answer
    x = 6,140.13

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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.