Home / 13,933.57-20,900.45-4,073.95

Finding the Fourth Proportional to 13,933.57, 20,900.45 and 4,073.95

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Solution

The fourth proportional to 13,933.57, 20,900.45 and 4,073.95 is: 6,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.57 : 20,900.45 = 4,073.95 : x
  2. Step 2: Convert to fraction form
    13,933.57/20,900.45 = 4,073.95/x
  3. Step 3: Cross multiply
    13,933.57x = 20,900.45 × 4,073.95
  4. Step 4: Simplify right side
    13,933.57x = 85,147,388.28
  5. Step 5: Solve for x
    x = 85,147,388.28/13,933.57
  6. Step 6: Final answer
    x = 6,110.95

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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.