Home / 19,391.41-26,760.13-11,007.91

Finding the Fourth Proportional to 19,391.41, 26,760.13 and 11,007.91

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Solution

The fourth proportional to 19,391.41, 26,760.13 and 11,007.91 is: 15,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.41 : 26,760.13 = 11,007.91 : x
  2. Step 2: Convert to fraction form
    19,391.41/26,760.13 = 11,007.91/x
  3. Step 3: Cross multiply
    19,391.41x = 26,760.13 × 11,007.91
  4. Step 4: Simplify right side
    19,391.41x = 294,573,008.21
  5. Step 5: Solve for x
    x = 294,573,008.21/19,391.41
  6. Step 6: Final answer
    x = 15,190.90

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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.