Home / 12,201.28-16,837.64-6,612.32

Finding the Fourth Proportional to 12,201.28, 16,837.64 and 6,612.32

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Solution

The fourth proportional to 12,201.28, 16,837.64 and 6,612.32 is: 9,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.28 : 16,837.64 = 6,612.32 : x
  2. Step 2: Convert to fraction form
    12,201.28/16,837.64 = 6,612.32/x
  3. Step 3: Cross multiply
    12,201.28x = 16,837.64 × 6,612.32
  4. Step 4: Simplify right side
    12,201.28x = 111,335,863.72
  5. Step 5: Solve for x
    x = 111,335,863.72/12,201.28
  6. Step 6: Final answer
    x = 9,124.93

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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.