Home / 13,933.92-20,900.15-4,572.71

Finding the Fourth Proportional to 13,933.92, 20,900.15 and 4,572.71

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Solution

The fourth proportional to 13,933.92, 20,900.15 and 4,572.71 is: 6,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.92 : 20,900.15 = 4,572.71 : x
  2. Step 2: Convert to fraction form
    13,933.92/20,900.15 = 4,572.71/x
  3. Step 3: Cross multiply
    13,933.92x = 20,900.15 × 4,572.71
  4. Step 4: Simplify right side
    13,933.92x = 95,570,197.54
  5. Step 5: Solve for x
    x = 95,570,197.54/13,933.92
  6. Step 6: Final answer
    x = 6,858.82

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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.