Home / 18,497.49-25,519.37-11,781.92

Finding the Fourth Proportional to 18,497.49, 25,519.37 and 11,781.92

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Solution

The fourth proportional to 18,497.49, 25,519.37 and 11,781.92 is: 16,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.49 : 25,519.37 = 11,781.92 : x
  2. Step 2: Convert to fraction form
    18,497.49/25,519.37 = 11,781.92/x
  3. Step 3: Cross multiply
    18,497.49x = 25,519.37 × 11,781.92
  4. Step 4: Simplify right side
    18,497.49x = 300,666,989.28
  5. Step 5: Solve for x
    x = 300,666,989.28/18,497.49
  6. Step 6: Final answer
    x = 16,254.48

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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.