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Finding the Fourth Proportional to 19,587, 29,377.03 and 8,910.88

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Solution

The fourth proportional to 19,587, 29,377.03 and 8,910.88 is: 13,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587 : 29,377.03 = 8,910.88 : x
  2. Step 2: Convert to fraction form
    19,587/29,377.03 = 8,910.88/x
  3. Step 3: Cross multiply
    19,587x = 29,377.03 × 8,910.88
  4. Step 4: Simplify right side
    19,587x = 261,775,093.37
  5. Step 5: Solve for x
    x = 261,775,093.37/19,587
  6. Step 6: Final answer
    x = 13,364.74

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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.