Home / 15,367.11-21,207.38-8,654.84

Finding the Fourth Proportional to 15,367.11, 21,207.38 and 8,654.84

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Solution

The fourth proportional to 15,367.11, 21,207.38 and 8,654.84 is: 11,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367.11 : 21,207.38 = 8,654.84 : x
  2. Step 2: Convert to fraction form
    15,367.11/21,207.38 = 8,654.84/x
  3. Step 3: Cross multiply
    15,367.11x = 21,207.38 × 8,654.84
  4. Step 4: Simplify right side
    15,367.11x = 183,546,480.72
  5. Step 5: Solve for x
    x = 183,546,480.72/15,367.11
  6. Step 6: Final answer
    x = 11,944.11

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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.