Home / 19,391.40-26,760.92-11,008.68

Finding the Fourth Proportional to 19,391.40, 26,760.92 and 11,008.68

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Solution

The fourth proportional to 19,391.40, 26,760.92 and 11,008.68 is: 15,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.40 : 26,760.92 = 11,008.68 : x
  2. Step 2: Convert to fraction form
    19,391.40/26,760.92 = 11,008.68/x
  3. Step 3: Cross multiply
    19,391.40x = 26,760.92 × 11,008.68
  4. Step 4: Simplify right side
    19,391.40x = 294,602,404.79
  5. Step 5: Solve for x
    x = 294,602,404.79/19,391.40
  6. Step 6: Final answer
    x = 15,192.43

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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.