Home / 14,201.12-21,302.24-3,812.80

Finding the Fourth Proportional to 14,201.12, 21,302.24 and 3,812.80

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Solution

The fourth proportional to 14,201.12, 21,302.24 and 3,812.80 is: 5,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.12 : 21,302.24 = 3,812.80 : x
  2. Step 2: Convert to fraction form
    14,201.12/21,302.24 = 3,812.80/x
  3. Step 3: Cross multiply
    14,201.12x = 21,302.24 × 3,812.80
  4. Step 4: Simplify right side
    14,201.12x = 81,221,180.67
  5. Step 5: Solve for x
    x = 81,221,180.67/14,201.12
  6. Step 6: Final answer
    x = 5,719.35

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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.