Home / 14,390.29-21,568.60-5,499.80

Finding the Fourth Proportional to 14,390.29, 21,568.60 and 5,499.80

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Solution

The fourth proportional to 14,390.29, 21,568.60 and 5,499.80 is: 8,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.29 : 21,568.60 = 5,499.80 : x
  2. Step 2: Convert to fraction form
    14,390.29/21,568.60 = 5,499.80/x
  3. Step 3: Cross multiply
    14,390.29x = 21,568.60 × 5,499.80
  4. Step 4: Simplify right side
    14,390.29x = 118,622,986.28
  5. Step 5: Solve for x
    x = 118,622,986.28/14,390.29
  6. Step 6: Final answer
    x = 8,243.27

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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.