Home / 17,867.40-26,801.10-9,994.20

Finding the Fourth Proportional to 17,867.40, 26,801.10 and 9,994.20

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Solution

The fourth proportional to 17,867.40, 26,801.10 and 9,994.20 is: 14,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.40 : 26,801.10 = 9,994.20 : x
  2. Step 2: Convert to fraction form
    17,867.40/26,801.10 = 9,994.20/x
  3. Step 3: Cross multiply
    17,867.40x = 26,801.10 × 9,994.20
  4. Step 4: Simplify right side
    17,867.40x = 267,855,553.62
  5. Step 5: Solve for x
    x = 267,855,553.62/17,867.40
  6. Step 6: Final answer
    x = 14,991.30

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Similar ratio
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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.