Home / 11,353.95-15,668.82-7,103.66

Finding the Fourth Proportional to 11,353.95, 15,668.82 and 7,103.66

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Solution

The fourth proportional to 11,353.95, 15,668.82 and 7,103.66 is: 9,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.95 : 15,668.82 = 7,103.66 : x
  2. Step 2: Convert to fraction form
    11,353.95/15,668.82 = 7,103.66/x
  3. Step 3: Cross multiply
    11,353.95x = 15,668.82 × 7,103.66
  4. Step 4: Simplify right side
    11,353.95x = 111,305,891.54
  5. Step 5: Solve for x
    x = 111,305,891.54/11,353.95
  6. Step 6: Final answer
    x = 9,803.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.