Home / 18,664.02-27,965.79-11,726.10

Finding the Fourth Proportional to 18,664.02, 27,965.79 and 11,726.10

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Solution

The fourth proportional to 18,664.02, 27,965.79 and 11,726.10 is: 17,570.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.02 : 27,965.79 = 11,726.10 : x
  2. Step 2: Convert to fraction form
    18,664.02/27,965.79 = 11,726.10/x
  3. Step 3: Cross multiply
    18,664.02x = 27,965.79 × 11,726.10
  4. Step 4: Simplify right side
    18,664.02x = 327,929,650.12
  5. Step 5: Solve for x
    x = 327,929,650.12/18,664.02
  6. Step 6: Final answer
    x = 17,570.15

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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.