Home / 9,489.90-14,230.68-5,046.60

Finding the Fourth Proportional to 9,489.90, 14,230.68 and 5,046.60

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Solution

The fourth proportional to 9,489.90, 14,230.68 and 5,046.60 is: 7,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.90 : 14,230.68 = 5,046.60 : x
  2. Step 2: Convert to fraction form
    9,489.90/14,230.68 = 5,046.60/x
  3. Step 3: Cross multiply
    9,489.90x = 14,230.68 × 5,046.60
  4. Step 4: Simplify right side
    9,489.90x = 71,816,549.69
  5. Step 5: Solve for x
    x = 71,816,549.69/9,489.90
  6. Step 6: Final answer
    x = 7,567.68

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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.