Home / 10,679.72-15,997.25-8,588.41

Finding the Fourth Proportional to 10,679.72, 15,997.25 and 8,588.41

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Solution

The fourth proportional to 10,679.72, 15,997.25 and 8,588.41 is: 12,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.72 : 15,997.25 = 8,588.41 : x
  2. Step 2: Convert to fraction form
    10,679.72/15,997.25 = 8,588.41/x
  3. Step 3: Cross multiply
    10,679.72x = 15,997.25 × 8,588.41
  4. Step 4: Simplify right side
    10,679.72x = 137,390,941.87
  5. Step 5: Solve for x
    x = 137,390,941.87/10,679.72
  6. Step 6: Final answer
    x = 12,864.66

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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.