Home / 10,638.26-15,967.22-5,376.96

Finding the Fourth Proportional to 10,638.26, 15,967.22 and 5,376.96

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Solution

The fourth proportional to 10,638.26, 15,967.22 and 5,376.96 is: 8,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.26 : 15,967.22 = 5,376.96 : x
  2. Step 2: Convert to fraction form
    10,638.26/15,967.22 = 5,376.96/x
  3. Step 3: Cross multiply
    10,638.26x = 15,967.22 × 5,376.96
  4. Step 4: Simplify right side
    10,638.26x = 85,855,076.37
  5. Step 5: Solve for x
    x = 85,855,076.37/10,638.26
  6. Step 6: Final answer
    x = 8,070.41

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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.