Home / 13,279.35-19,872.84-10,910.91

Finding the Fourth Proportional to 13,279.35, 19,872.84 and 10,910.91

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Solution

The fourth proportional to 13,279.35, 19,872.84 and 10,910.91 is: 16,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.35 : 19,872.84 = 10,910.91 : x
  2. Step 2: Convert to fraction form
    13,279.35/19,872.84 = 10,910.91/x
  3. Step 3: Cross multiply
    13,279.35x = 19,872.84 × 10,910.91
  4. Step 4: Simplify right side
    13,279.35x = 216,830,768.68
  5. Step 5: Solve for x
    x = 216,830,768.68/13,279.35
  6. Step 6: Final answer
    x = 16,328.42

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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.