Home / 18,584.63-27,880.38-6,105.36

Finding the Fourth Proportional to 18,584.63, 27,880.38 and 6,105.36

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Solution

The fourth proportional to 18,584.63, 27,880.38 and 6,105.36 is: 9,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.63 : 27,880.38 = 6,105.36 : x
  2. Step 2: Convert to fraction form
    18,584.63/27,880.38 = 6,105.36/x
  3. Step 3: Cross multiply
    18,584.63x = 27,880.38 × 6,105.36
  4. Step 4: Simplify right side
    18,584.63x = 170,219,756.84
  5. Step 5: Solve for x
    x = 170,219,756.84/18,584.63
  6. Step 6: Final answer
    x = 9,159.17

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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.