Home / 15,614.16-21,546.90-8,540.88

Finding the Fourth Proportional to 15,614.16, 21,546.90 and 8,540.88

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Solution

The fourth proportional to 15,614.16, 21,546.90 and 8,540.88 is: 11,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614.16 : 21,546.90 = 8,540.88 : x
  2. Step 2: Convert to fraction form
    15,614.16/21,546.90 = 8,540.88/x
  3. Step 3: Cross multiply
    15,614.16x = 21,546.90 × 8,540.88
  4. Step 4: Simplify right side
    15,614.16x = 184,029,487.27
  5. Step 5: Solve for x
    x = 184,029,487.27/15,614.16
  6. Step 6: Final answer
    x = 11,786.06

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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.