Home / 18,668.07-27,995.88-6,184.55

Finding the Fourth Proportional to 18,668.07, 27,995.88 and 6,184.55

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Solution

The fourth proportional to 18,668.07, 27,995.88 and 6,184.55 is: 9,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.07 : 27,995.88 = 6,184.55 : x
  2. Step 2: Convert to fraction form
    18,668.07/27,995.88 = 6,184.55/x
  3. Step 3: Cross multiply
    18,668.07x = 27,995.88 × 6,184.55
  4. Step 4: Simplify right side
    18,668.07x = 173,141,978.05
  5. Step 5: Solve for x
    x = 173,141,978.05/18,668.07
  6. Step 6: Final answer
    x = 9,274.77

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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.