Home / 19,370.62-26,729.25-10,871.59

Finding the Fourth Proportional to 19,370.62, 26,729.25 and 10,871.59

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Solution

The fourth proportional to 19,370.62, 26,729.25 and 10,871.59 is: 15,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.62 : 26,729.25 = 10,871.59 : x
  2. Step 2: Convert to fraction form
    19,370.62/26,729.25 = 10,871.59/x
  3. Step 3: Cross multiply
    19,370.62x = 26,729.25 × 10,871.59
  4. Step 4: Simplify right side
    19,370.62x = 290,589,447.01
  5. Step 5: Solve for x
    x = 290,589,447.01/19,370.62
  6. Step 6: Final answer
    x = 15,001.56

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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.