Home / 14,216.60-21,324.88-3,828.36

Finding the Fourth Proportional to 14,216.60, 21,324.88 and 3,828.36

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Solution

The fourth proportional to 14,216.60, 21,324.88 and 3,828.36 is: 5,742.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.60 : 21,324.88 = 3,828.36 : x
  2. Step 2: Convert to fraction form
    14,216.60/21,324.88 = 3,828.36/x
  3. Step 3: Cross multiply
    14,216.60x = 21,324.88 × 3,828.36
  4. Step 4: Simplify right side
    14,216.60x = 81,639,317.60
  5. Step 5: Solve for x
    x = 81,639,317.60/14,216.60
  6. Step 6: Final answer
    x = 5,742.53

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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.