Home / 19,171.22-26,456.24-11,211.80

Finding the Fourth Proportional to 19,171.22, 26,456.24 and 11,211.80

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Solution

The fourth proportional to 19,171.22, 26,456.24 and 11,211.80 is: 15,472.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.22 : 26,456.24 = 11,211.80 : x
  2. Step 2: Convert to fraction form
    19,171.22/26,456.24 = 11,211.80/x
  3. Step 3: Cross multiply
    19,171.22x = 26,456.24 × 11,211.80
  4. Step 4: Simplify right side
    19,171.22x = 296,621,967.38
  5. Step 5: Solve for x
    x = 296,621,967.38/19,171.22
  6. Step 6: Final answer
    x = 15,472.26

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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.