Home / 11,996.47-17,988.67-7,000.54

Finding the Fourth Proportional to 11,996.47, 17,988.67 and 7,000.54

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Solution

The fourth proportional to 11,996.47, 17,988.67 and 7,000.54 is: 10,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.47 : 17,988.67 = 7,000.54 : x
  2. Step 2: Convert to fraction form
    11,996.47/17,988.67 = 7,000.54/x
  3. Step 3: Cross multiply
    11,996.47x = 17,988.67 × 7,000.54
  4. Step 4: Simplify right side
    11,996.47x = 125,930,429.47
  5. Step 5: Solve for x
    x = 125,930,429.47/11,996.47
  6. Step 6: Final answer
    x = 10,497.29

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1.5x scale

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.