Home / 14,162.54-21,243.88-4,301.90

Finding the Fourth Proportional to 14,162.54, 21,243.88 and 4,301.90

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Solution

The fourth proportional to 14,162.54, 21,243.88 and 4,301.90 is: 6,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.54 : 21,243.88 = 4,301.90 : x
  2. Step 2: Convert to fraction form
    14,162.54/21,243.88 = 4,301.90/x
  3. Step 3: Cross multiply
    14,162.54x = 21,243.88 × 4,301.90
  4. Step 4: Simplify right side
    14,162.54x = 91,389,047.37
  5. Step 5: Solve for x
    x = 91,389,047.37/14,162.54
  6. Step 6: Final answer
    x = 6,452.87

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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.