Home / 11,443.28-17,170.28-4,053.32

Finding the Fourth Proportional to 11,443.28, 17,170.28 and 4,053.32

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Solution

The fourth proportional to 11,443.28, 17,170.28 and 4,053.32 is: 6,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,443.28 : 17,170.28 = 4,053.32 : x
  2. Step 2: Convert to fraction form
    11,443.28/17,170.28 = 4,053.32/x
  3. Step 3: Cross multiply
    11,443.28x = 17,170.28 × 4,053.32
  4. Step 4: Simplify right side
    11,443.28x = 69,596,639.33
  5. Step 5: Solve for x
    x = 69,596,639.33/11,443.28
  6. Step 6: Final answer
    x = 6,081.88

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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.