Home / 10,486.26-15,715.62-4,629.96

Finding the Fourth Proportional to 10,486.26, 15,715.62 and 4,629.96

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Solution

The fourth proportional to 10,486.26, 15,715.62 and 4,629.96 is: 6,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.26 : 15,715.62 = 4,629.96 : x
  2. Step 2: Convert to fraction form
    10,486.26/15,715.62 = 4,629.96/x
  3. Step 3: Cross multiply
    10,486.26x = 15,715.62 × 4,629.96
  4. Step 4: Simplify right side
    10,486.26x = 72,762,691.98
  5. Step 5: Solve for x
    x = 72,762,691.98/10,486.26
  6. Step 6: Final answer
    x = 6,938.86

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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.