Home / 10,872.03-16,279.32-8,752.26

Finding the Fourth Proportional to 10,872.03, 16,279.32 and 8,752.26

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Solution

The fourth proportional to 10,872.03, 16,279.32 and 8,752.26 is: 13,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.03 : 16,279.32 = 8,752.26 : x
  2. Step 2: Convert to fraction form
    10,872.03/16,279.32 = 8,752.26/x
  3. Step 3: Cross multiply
    10,872.03x = 16,279.32 × 8,752.26
  4. Step 4: Simplify right side
    10,872.03x = 142,480,841.26
  5. Step 5: Solve for x
    x = 142,480,841.26/10,872.03
  6. Step 6: Final answer
    x = 13,105.27

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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.