Home / 18,154.19-27,231.42-5,007.31

Finding the Fourth Proportional to 18,154.19, 27,231.42 and 5,007.31

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Solution

The fourth proportional to 18,154.19, 27,231.42 and 5,007.31 is: 7,511.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.19 : 27,231.42 = 5,007.31 : x
  2. Step 2: Convert to fraction form
    18,154.19/27,231.42 = 5,007.31/x
  3. Step 3: Cross multiply
    18,154.19x = 27,231.42 × 5,007.31
  4. Step 4: Simplify right side
    18,154.19x = 136,356,161.68
  5. Step 5: Solve for x
    x = 136,356,161.68/18,154.19
  6. Step 6: Final answer
    x = 7,511.00

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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.