Home / 19,669.97-27,131.02-12,593.21

Finding the Fourth Proportional to 19,669.97, 27,131.02 and 12,593.21

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Solution

The fourth proportional to 19,669.97, 27,131.02 and 12,593.21 is: 17,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.97 : 27,131.02 = 12,593.21 : x
  2. Step 2: Convert to fraction form
    19,669.97/27,131.02 = 12,593.21/x
  3. Step 3: Cross multiply
    19,669.97x = 27,131.02 × 12,593.21
  4. Step 4: Simplify right side
    19,669.97x = 341,666,465.24
  5. Step 5: Solve for x
    x = 341,666,465.24/19,669.97
  6. Step 6: Final answer
    x = 17,369.95

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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.