Home / 11,213.64-15,471.39-6,497.01

Finding the Fourth Proportional to 11,213.64, 15,471.39 and 6,497.01

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Solution

The fourth proportional to 11,213.64, 15,471.39 and 6,497.01 is: 8,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.64 : 15,471.39 = 6,497.01 : x
  2. Step 2: Convert to fraction form
    11,213.64/15,471.39 = 6,497.01/x
  3. Step 3: Cross multiply
    11,213.64x = 15,471.39 × 6,497.01
  4. Step 4: Simplify right side
    11,213.64x = 100,517,698.19
  5. Step 5: Solve for x
    x = 100,517,698.19/11,213.64
  6. Step 6: Final answer
    x = 8,963.88

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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.