Home / 20,242.93-27,933.98-11,168.41

Finding the Fourth Proportional to 20,242.93, 27,933.98 and 11,168.41

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Solution

The fourth proportional to 20,242.93, 27,933.98 and 11,168.41 is: 15,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.93 : 27,933.98 = 11,168.41 : x
  2. Step 2: Convert to fraction form
    20,242.93/27,933.98 = 11,168.41/x
  3. Step 3: Cross multiply
    20,242.93x = 27,933.98 × 11,168.41
  4. Step 4: Simplify right side
    20,242.93x = 311,978,085.73
  5. Step 5: Solve for x
    x = 311,978,085.73/20,242.93
  6. Step 6: Final answer
    x = 15,411.71

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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.