Home / 20,224.02-27,906.44-11,270.46

Finding the Fourth Proportional to 20,224.02, 27,906.44 and 11,270.46

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Solution

The fourth proportional to 20,224.02, 27,906.44 and 11,270.46 is: 15,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224.02 : 27,906.44 = 11,270.46 : x
  2. Step 2: Convert to fraction form
    20,224.02/27,906.44 = 11,270.46/x
  3. Step 3: Cross multiply
    20,224.02x = 27,906.44 × 11,270.46
  4. Step 4: Simplify right side
    20,224.02x = 314,518,415.76
  5. Step 5: Solve for x
    x = 314,518,415.76/20,224.02
  6. Step 6: Final answer
    x = 15,551.73

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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.