Home / 12,669.23-17,387.03-11,663.21

Finding the Fourth Proportional to 12,669.23, 17,387.03 and 11,663.21

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Solution

The fourth proportional to 12,669.23, 17,387.03 and 11,663.21 is: 16,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669.23 : 17,387.03 = 11,663.21 : x
  2. Step 2: Convert to fraction form
    12,669.23/17,387.03 = 11,663.21/x
  3. Step 3: Cross multiply
    12,669.23x = 17,387.03 × 11,663.21
  4. Step 4: Simplify right side
    12,669.23x = 202,788,436.92
  5. Step 5: Solve for x
    x = 202,788,436.92/12,669.23
  6. Step 6: Final answer
    x = 16,006.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.