Home / 15,350.06-21,183.19-8,635.64

Finding the Fourth Proportional to 15,350.06, 21,183.19 and 8,635.64

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Solution

The fourth proportional to 15,350.06, 21,183.19 and 8,635.64 is: 11,917.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350.06 : 21,183.19 = 8,635.64 : x
  2. Step 2: Convert to fraction form
    15,350.06/21,183.19 = 8,635.64/x
  3. Step 3: Cross multiply
    15,350.06x = 21,183.19 × 8,635.64
  4. Step 4: Simplify right side
    15,350.06x = 182,930,275.39
  5. Step 5: Solve for x
    x = 182,930,275.39/15,350.06
  6. Step 6: Final answer
    x = 11,917.23

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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.