Home / 16,279.84-22,467.80-9,906.88

Finding the Fourth Proportional to 16,279.84, 22,467.80 and 9,906.88

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Solution

The fourth proportional to 16,279.84, 22,467.80 and 9,906.88 is: 13,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,279.84 : 22,467.80 = 9,906.88 : x
  2. Step 2: Convert to fraction form
    16,279.84/22,467.80 = 9,906.88/x
  3. Step 3: Cross multiply
    16,279.84x = 22,467.80 × 9,906.88
  4. Step 4: Simplify right side
    16,279.84x = 222,585,798.46
  5. Step 5: Solve for x
    x = 222,585,798.46/16,279.84
  6. Step 6: Final answer
    x = 13,672.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.