Home / 13,488.87-20,230.85-3,625.84

Finding the Fourth Proportional to 13,488.87, 20,230.85 and 3,625.84

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Solution

The fourth proportional to 13,488.87, 20,230.85 and 3,625.84 is: 5,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.87 : 20,230.85 = 3,625.84 : x
  2. Step 2: Convert to fraction form
    13,488.87/20,230.85 = 3,625.84/x
  3. Step 3: Cross multiply
    13,488.87x = 20,230.85 × 3,625.84
  4. Step 4: Simplify right side
    13,488.87x = 73,353,825.16
  5. Step 5: Solve for x
    x = 73,353,825.16/13,488.87
  6. Step 6: Final answer
    x = 5,438.10

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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.