Home / 17,318.04-25,986.76-6,930.60

Finding the Fourth Proportional to 17,318.04, 25,986.76 and 6,930.60

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Solution

The fourth proportional to 17,318.04, 25,986.76 and 6,930.60 is: 10,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.04 : 25,986.76 = 6,930.60 : x
  2. Step 2: Convert to fraction form
    17,318.04/25,986.76 = 6,930.60/x
  3. Step 3: Cross multiply
    17,318.04x = 25,986.76 × 6,930.60
  4. Step 4: Simplify right side
    17,318.04x = 180,103,838.86
  5. Step 5: Solve for x
    x = 180,103,838.86/17,318.04
  6. Step 6: Final answer
    x = 10,399.78

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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.