Home / 19,668.38-29,507.22-8,577.06

Finding the Fourth Proportional to 19,668.38, 29,507.22 and 8,577.06

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Solution

The fourth proportional to 19,668.38, 29,507.22 and 8,577.06 is: 12,867.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.38 : 29,507.22 = 8,577.06 : x
  2. Step 2: Convert to fraction form
    19,668.38/29,507.22 = 8,577.06/x
  3. Step 3: Cross multiply
    19,668.38x = 29,507.22 × 8,577.06
  4. Step 4: Simplify right side
    19,668.38x = 253,085,196.37
  5. Step 5: Solve for x
    x = 253,085,196.37/19,668.38
  6. Step 6: Final answer
    x = 12,867.62

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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.