Home / 20,061.46-27,684.95-11,109.54

Finding the Fourth Proportional to 20,061.46, 27,684.95 and 11,109.54

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Solution

The fourth proportional to 20,061.46, 27,684.95 and 11,109.54 is: 15,331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.46 : 27,684.95 = 11,109.54 : x
  2. Step 2: Convert to fraction form
    20,061.46/27,684.95 = 11,109.54/x
  3. Step 3: Cross multiply
    20,061.46x = 27,684.95 × 11,109.54
  4. Step 4: Simplify right side
    20,061.46x = 307,567,003.88
  5. Step 5: Solve for x
    x = 307,567,003.88/20,061.46
  6. Step 6: Final answer
    x = 15,331.24

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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.