Home / 9,140.38-13,694.81-6,172.27

Finding the Fourth Proportional to 9,140.38, 13,694.81 and 6,172.27

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Solution

The fourth proportional to 9,140.38, 13,694.81 and 6,172.27 is: 9,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.38 : 13,694.81 = 6,172.27 : x
  2. Step 2: Convert to fraction form
    9,140.38/13,694.81 = 6,172.27/x
  3. Step 3: Cross multiply
    9,140.38x = 13,694.81 × 6,172.27
  4. Step 4: Simplify right side
    9,140.38x = 84,527,999.82
  5. Step 5: Solve for x
    x = 84,527,999.82/9,140.38
  6. Step 6: Final answer
    x = 9,247.76

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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.