Home / 13,337.71-20,007.59-3,977.02

Finding the Fourth Proportional to 13,337.71, 20,007.59 and 3,977.02

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Solution

The fourth proportional to 13,337.71, 20,007.59 and 3,977.02 is: 5,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.71 : 20,007.59 = 3,977.02 : x
  2. Step 2: Convert to fraction form
    13,337.71/20,007.59 = 3,977.02/x
  3. Step 3: Cross multiply
    13,337.71x = 20,007.59 × 3,977.02
  4. Step 4: Simplify right side
    13,337.71x = 79,570,465.66
  5. Step 5: Solve for x
    x = 79,570,465.66/13,337.71
  6. Step 6: Final answer
    x = 5,965.83

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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.