Home / 10,951.55-16,429.76-3,159.75

Finding the Fourth Proportional to 10,951.55, 16,429.76 and 3,159.75

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Solution

The fourth proportional to 10,951.55, 16,429.76 and 3,159.75 is: 4,740.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.55 : 16,429.76 = 3,159.75 : x
  2. Step 2: Convert to fraction form
    10,951.55/16,429.76 = 3,159.75/x
  3. Step 3: Cross multiply
    10,951.55x = 16,429.76 × 3,159.75
  4. Step 4: Simplify right side
    10,951.55x = 51,913,918.36
  5. Step 5: Solve for x
    x = 51,913,918.36/10,951.55
  6. Step 6: Final answer
    x = 4,740.33

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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.