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Finding the Fourth Proportional to 22,511.70, 33,746.91 and 8,650.26

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Solution

The fourth proportional to 22,511.70, 33,746.91 and 8,650.26 is: 12,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,511.70 : 33,746.91 = 8,650.26 : x
  2. Step 2: Convert to fraction form
    22,511.70/33,746.91 = 8,650.26/x
  3. Step 3: Cross multiply
    22,511.70x = 33,746.91 × 8,650.26
  4. Step 4: Simplify right side
    22,511.70x = 291,919,545.70
  5. Step 5: Solve for x
    x = 291,919,545.70/22,511.70
  6. Step 6: Final answer
    x = 12,967.46

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1.5x scale

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.