Home / 13,711.86-20,564.73-3,850.92

Finding the Fourth Proportional to 13,711.86, 20,564.73 and 3,850.92

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Solution

The fourth proportional to 13,711.86, 20,564.73 and 3,850.92 is: 5,775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.86 : 20,564.73 = 3,850.92 : x
  2. Step 2: Convert to fraction form
    13,711.86/20,564.73 = 3,850.92/x
  3. Step 3: Cross multiply
    13,711.86x = 20,564.73 × 3,850.92
  4. Step 4: Simplify right side
    13,711.86x = 79,193,130.05
  5. Step 5: Solve for x
    x = 79,193,130.05/13,711.86
  6. Step 6: Final answer
    x = 5,775.52

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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.