Home / 11,726.96-17,580.60-8,020.16

Finding the Fourth Proportional to 11,726.96, 17,580.60 and 8,020.16

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Solution

The fourth proportional to 11,726.96, 17,580.60 and 8,020.16 is: 12,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.96 : 17,580.60 = 8,020.16 : x
  2. Step 2: Convert to fraction form
    11,726.96/17,580.60 = 8,020.16/x
  3. Step 3: Cross multiply
    11,726.96x = 17,580.60 × 8,020.16
  4. Step 4: Simplify right side
    11,726.96x = 140,999,224.90
  5. Step 5: Solve for x
    x = 140,999,224.90/11,726.96
  6. Step 6: Final answer
    x = 12,023.51

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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.