Home / 38,889.72-58,336.74-11,187

Finding the Fourth Proportional to 38,889.72, 58,336.74 and 11,187

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Solution

The fourth proportional to 38,889.72, 58,336.74 and 11,187 is: 16,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,889.72 : 58,336.74 = 11,187 : x
  2. Step 2: Convert to fraction form
    38,889.72/58,336.74 = 11,187/x
  3. Step 3: Cross multiply
    38,889.72x = 58,336.74 × 11,187
  4. Step 4: Simplify right side
    38,889.72x = 652,613,110.38
  5. Step 5: Solve for x
    x = 652,613,110.38/38,889.72
  6. Step 6: Final answer
    x = 16,781.12

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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.