Home / 14,214.60-21,321.88-3,826.36

Finding the Fourth Proportional to 14,214.60, 21,321.88 and 3,826.36

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Solution

The fourth proportional to 14,214.60, 21,321.88 and 3,826.36 is: 5,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.60 : 21,321.88 = 3,826.36 : x
  2. Step 2: Convert to fraction form
    14,214.60/21,321.88 = 3,826.36/x
  3. Step 3: Cross multiply
    14,214.60x = 21,321.88 × 3,826.36
  4. Step 4: Simplify right side
    14,214.60x = 81,585,188.76
  5. Step 5: Solve for x
    x = 81,585,188.76/14,214.60
  6. Step 6: Final answer
    x = 5,739.53

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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.