Home / 14,216.36-21,324.56-3,828.11

Finding the Fourth Proportional to 14,216.36, 21,324.56 and 3,828.11

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Solution

The fourth proportional to 14,216.36, 21,324.56 and 3,828.11 is: 5,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.36 : 21,324.56 = 3,828.11 : x
  2. Step 2: Convert to fraction form
    14,216.36/21,324.56 = 3,828.11/x
  3. Step 3: Cross multiply
    14,216.36x = 21,324.56 × 3,828.11
  4. Step 4: Simplify right side
    14,216.36x = 81,632,635.62
  5. Step 5: Solve for x
    x = 81,632,635.62/14,216.36
  6. Step 6: Final answer
    x = 5,742.16

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1.5x scale

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.