Home / 10,825.47-16,201.28-6,668.35

Finding the Fourth Proportional to 10,825.47, 16,201.28 and 6,668.35

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Solution

The fourth proportional to 10,825.47, 16,201.28 and 6,668.35 is: 9,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.47 : 16,201.28 = 6,668.35 : x
  2. Step 2: Convert to fraction form
    10,825.47/16,201.28 = 6,668.35/x
  3. Step 3: Cross multiply
    10,825.47x = 16,201.28 × 6,668.35
  4. Step 4: Simplify right side
    10,825.47x = 108,035,781.66
  5. Step 5: Solve for x
    x = 108,035,781.66/10,825.47
  6. Step 6: Final answer
    x = 9,979.78

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1.5x scale

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.