Home / 20,114.06-27,760.74-11,730.56

Finding the Fourth Proportional to 20,114.06, 27,760.74 and 11,730.56

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Solution

The fourth proportional to 20,114.06, 27,760.74 and 11,730.56 is: 16,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.06 : 27,760.74 = 11,730.56 : x
  2. Step 2: Convert to fraction form
    20,114.06/27,760.74 = 11,730.56/x
  3. Step 3: Cross multiply
    20,114.06x = 27,760.74 × 11,730.56
  4. Step 4: Simplify right side
    20,114.06x = 325,649,026.21
  5. Step 5: Solve for x
    x = 325,649,026.21/20,114.06
  6. Step 6: Final answer
    x = 16,190.12

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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.