Home / 13,338.11-20,007.38-4,579.17

Finding the Fourth Proportional to 13,338.11, 20,007.38 and 4,579.17

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Solution

The fourth proportional to 13,338.11, 20,007.38 and 4,579.17 is: 6,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.11 : 20,007.38 = 4,579.17 : x
  2. Step 2: Convert to fraction form
    13,338.11/20,007.38 = 4,579.17/x
  3. Step 3: Cross multiply
    13,338.11x = 20,007.38 × 4,579.17
  4. Step 4: Simplify right side
    13,338.11x = 91,617,171.38
  5. Step 5: Solve for x
    x = 91,617,171.38/13,338.11
  6. Step 6: Final answer
    x = 6,868.83

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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.