Home / 12,996.77-17,897.76-11,294.48

Finding the Fourth Proportional to 12,996.77, 17,897.76 and 11,294.48

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Solution

The fourth proportional to 12,996.77, 17,897.76 and 11,294.48 is: 15,553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.77 : 17,897.76 = 11,294.48 : x
  2. Step 2: Convert to fraction form
    12,996.77/17,897.76 = 11,294.48/x
  3. Step 3: Cross multiply
    12,996.77x = 17,897.76 × 11,294.48
  4. Step 4: Simplify right side
    12,996.77x = 202,145,937.11
  5. Step 5: Solve for x
    x = 202,145,937.11/12,996.77
  6. Step 6: Final answer
    x = 15,553.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.