Home / 12,764.74-19,034.48-11,211.16

Finding the Fourth Proportional to 12,764.74, 19,034.48 and 11,211.16

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Solution

The fourth proportional to 12,764.74, 19,034.48 and 11,211.16 is: 16,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.74 : 19,034.48 = 11,211.16 : x
  2. Step 2: Convert to fraction form
    12,764.74/19,034.48 = 11,211.16/x
  3. Step 3: Cross multiply
    12,764.74x = 19,034.48 × 11,211.16
  4. Step 4: Simplify right side
    12,764.74x = 213,398,600.80
  5. Step 5: Solve for x
    x = 213,398,600.80/12,764.74
  6. Step 6: Final answer
    x = 16,717.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.