Home / 11,988.09-17,971.65-4,963.68

Finding the Fourth Proportional to 11,988.09, 17,971.65 and 4,963.68

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Solution

The fourth proportional to 11,988.09, 17,971.65 and 4,963.68 is: 7,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.09 : 17,971.65 = 4,963.68 : x
  2. Step 2: Convert to fraction form
    11,988.09/17,971.65 = 4,963.68/x
  3. Step 3: Cross multiply
    11,988.09x = 17,971.65 × 4,963.68
  4. Step 4: Simplify right side
    11,988.09x = 89,205,519.67
  5. Step 5: Solve for x
    x = 89,205,519.67/11,988.09
  6. Step 6: Final answer
    x = 7,441.18

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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.