Home / 13,883.50-20,825.24-3,495.25

Finding the Fourth Proportional to 13,883.50, 20,825.24 and 3,495.25

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Solution

The fourth proportional to 13,883.50, 20,825.24 and 3,495.25 is: 5,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.50 : 20,825.24 = 3,495.25 : x
  2. Step 2: Convert to fraction form
    13,883.50/20,825.24 = 3,495.25/x
  3. Step 3: Cross multiply
    13,883.50x = 20,825.24 × 3,495.25
  4. Step 4: Simplify right side
    13,883.50x = 72,789,428.67
  5. Step 5: Solve for x
    x = 72,789,428.67/13,883.50
  6. Step 6: Final answer
    x = 5,242.87

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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.