Home / 13,825.50-20,738.33-3,437.25

Finding the Fourth Proportional to 13,825.50, 20,738.33 and 3,437.25

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Solution

The fourth proportional to 13,825.50, 20,738.33 and 3,437.25 is: 5,155.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.50 : 20,738.33 = 3,437.25 : x
  2. Step 2: Convert to fraction form
    13,825.50/20,738.33 = 3,437.25/x
  3. Step 3: Cross multiply
    13,825.50x = 20,738.33 × 3,437.25
  4. Step 4: Simplify right side
    13,825.50x = 71,282,814.05
  5. Step 5: Solve for x
    x = 71,282,814.05/13,825.50
  6. Step 6: Final answer
    x = 5,155.89

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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.