Home / 10,951.26-16,425.45-3,160.86

Finding the Fourth Proportional to 10,951.26, 16,425.45 and 3,160.86

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Solution

The fourth proportional to 10,951.26, 16,425.45 and 3,160.86 is: 4,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.26 : 16,425.45 = 3,160.86 : x
  2. Step 2: Convert to fraction form
    10,951.26/16,425.45 = 3,160.86/x
  3. Step 3: Cross multiply
    10,951.26x = 16,425.45 × 3,160.86
  4. Step 4: Simplify right side
    10,951.26x = 51,918,547.89
  5. Step 5: Solve for x
    x = 51,918,547.89/10,951.26
  6. Step 6: Final answer
    x = 4,740.87

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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.