Home / 20,014.89-27,620.35-11,061.82

Finding the Fourth Proportional to 20,014.89, 27,620.35 and 11,061.82

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Solution

The fourth proportional to 20,014.89, 27,620.35 and 11,061.82 is: 15,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.89 : 27,620.35 = 11,061.82 : x
  2. Step 2: Convert to fraction form
    20,014.89/27,620.35 = 11,061.82/x
  3. Step 3: Cross multiply
    20,014.89x = 27,620.35 × 11,061.82
  4. Step 4: Simplify right side
    20,014.89x = 305,531,340.04
  5. Step 5: Solve for x
    x = 305,531,340.04/20,014.89
  6. Step 6: Final answer
    x = 15,265.20

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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.