Home / 11,935.34-17,897.70-6,387.62

Finding the Fourth Proportional to 11,935.34, 17,897.70 and 6,387.62

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Solution

The fourth proportional to 11,935.34, 17,897.70 and 6,387.62 is: 9,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.34 : 17,897.70 = 6,387.62 : x
  2. Step 2: Convert to fraction form
    11,935.34/17,897.70 = 6,387.62/x
  3. Step 3: Cross multiply
    11,935.34x = 17,897.70 × 6,387.62
  4. Step 4: Simplify right side
    11,935.34x = 114,323,706.47
  5. Step 5: Solve for x
    x = 114,323,706.47/11,935.34
  6. Step 6: Final answer
    x = 9,578.59

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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.