Home / 10,197.88-15,291.64-3,959.68

Finding the Fourth Proportional to 10,197.88, 15,291.64 and 3,959.68

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Solution

The fourth proportional to 10,197.88, 15,291.64 and 3,959.68 is: 5,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.88 : 15,291.64 = 3,959.68 : x
  2. Step 2: Convert to fraction form
    10,197.88/15,291.64 = 3,959.68/x
  3. Step 3: Cross multiply
    10,197.88x = 15,291.64 × 3,959.68
  4. Step 4: Simplify right side
    10,197.88x = 60,550,001.08
  5. Step 5: Solve for x
    x = 60,550,001.08/10,197.88
  6. Step 6: Final answer
    x = 5,937.51

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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.