Home / 11,112.25-16,668.38-4,538.43

Finding the Fourth Proportional to 11,112.25, 16,668.38 and 4,538.43

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Solution

The fourth proportional to 11,112.25, 16,668.38 and 4,538.43 is: 6,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.25 : 16,668.38 = 4,538.43 : x
  2. Step 2: Convert to fraction form
    11,112.25/16,668.38 = 4,538.43/x
  3. Step 3: Cross multiply
    11,112.25x = 16,668.38 × 4,538.43
  4. Step 4: Simplify right side
    11,112.25x = 75,648,275.84
  5. Step 5: Solve for x
    x = 75,648,275.84/11,112.25
  6. Step 6: Final answer
    x = 6,807.65

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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.