Home / 13,460.11-20,188.58-3,600.18

Finding the Fourth Proportional to 13,460.11, 20,188.58 and 3,600.18

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Solution

The fourth proportional to 13,460.11, 20,188.58 and 3,600.18 is: 5,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.11 : 20,188.58 = 3,600.18 : x
  2. Step 2: Convert to fraction form
    13,460.11/20,188.58 = 3,600.18/x
  3. Step 3: Cross multiply
    13,460.11x = 20,188.58 × 3,600.18
  4. Step 4: Simplify right side
    13,460.11x = 72,682,503.94
  5. Step 5: Solve for x
    x = 72,682,503.94/13,460.11
  6. Step 6: Final answer
    x = 5,399.85

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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.