Home / 11,397.67-17,063.40-6,639.32

Finding the Fourth Proportional to 11,397.67, 17,063.40 and 6,639.32

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Solution

The fourth proportional to 11,397.67, 17,063.40 and 6,639.32 is: 9,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397.67 : 17,063.40 = 6,639.32 : x
  2. Step 2: Convert to fraction form
    11,397.67/17,063.40 = 6,639.32/x
  3. Step 3: Cross multiply
    11,397.67x = 17,063.40 × 6,639.32
  4. Step 4: Simplify right side
    11,397.67x = 113,289,254.37
  5. Step 5: Solve for x
    x = 113,289,254.37/11,397.67
  6. Step 6: Final answer
    x = 9,939.69

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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.