Home / 12,668.32-19,001.52-3,905.44

Finding the Fourth Proportional to 12,668.32, 19,001.52 and 3,905.44

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Solution

The fourth proportional to 12,668.32, 19,001.52 and 3,905.44 is: 5,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.32 : 19,001.52 = 3,905.44 : x
  2. Step 2: Convert to fraction form
    12,668.32/19,001.52 = 3,905.44/x
  3. Step 3: Cross multiply
    12,668.32x = 19,001.52 × 3,905.44
  4. Step 4: Simplify right side
    12,668.32x = 74,209,296.27
  5. Step 5: Solve for x
    x = 74,209,296.27/12,668.32
  6. Step 6: Final answer
    x = 5,857.86

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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.