Home / 17,556.21-26,328.51-8,785.13

Finding the Fourth Proportional to 17,556.21, 26,328.51 and 8,785.13

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Solution

The fourth proportional to 17,556.21, 26,328.51 and 8,785.13 is: 13,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,556.21 : 26,328.51 = 8,785.13 : x
  2. Step 2: Convert to fraction form
    17,556.21/26,328.51 = 8,785.13/x
  3. Step 3: Cross multiply
    17,556.21x = 26,328.51 × 8,785.13
  4. Step 4: Simplify right side
    17,556.21x = 231,299,251.41
  5. Step 5: Solve for x
    x = 231,299,251.41/17,556.21
  6. Step 6: Final answer
    x = 13,174.78

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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.