Home / 17,760.78-26,634.92-5,911.34

Finding the Fourth Proportional to 17,760.78, 26,634.92 and 5,911.34

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Solution

The fourth proportional to 17,760.78, 26,634.92 and 5,911.34 is: 8,864.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,760.78 : 26,634.92 = 5,911.34 : x
  2. Step 2: Convert to fraction form
    17,760.78/26,634.92 = 5,911.34/x
  3. Step 3: Cross multiply
    17,760.78x = 26,634.92 × 5,911.34
  4. Step 4: Simplify right side
    17,760.78x = 157,447,905.26
  5. Step 5: Solve for x
    x = 157,447,905.26/17,760.78
  6. Step 6: Final answer
    x = 8,864.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.