Home / 19,791.06-27,298.53-12,726.42

Finding the Fourth Proportional to 19,791.06, 27,298.53 and 12,726.42

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Solution

The fourth proportional to 19,791.06, 27,298.53 and 12,726.42 is: 17,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.06 : 27,298.53 = 12,726.42 : x
  2. Step 2: Convert to fraction form
    19,791.06/27,298.53 = 12,726.42/x
  3. Step 3: Cross multiply
    19,791.06x = 27,298.53 × 12,726.42
  4. Step 4: Simplify right side
    19,791.06x = 347,412,558.16
  5. Step 5: Solve for x
    x = 347,412,558.16/19,791.06
  6. Step 6: Final answer
    x = 17,554.01

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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.