Home / 20,171.02-27,835.51-11,671.96

Finding the Fourth Proportional to 20,171.02, 27,835.51 and 11,671.96

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Solution

The fourth proportional to 20,171.02, 27,835.51 and 11,671.96 is: 16,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171.02 : 27,835.51 = 11,671.96 : x
  2. Step 2: Convert to fraction form
    20,171.02/27,835.51 = 11,671.96/x
  3. Step 3: Cross multiply
    20,171.02x = 27,835.51 × 11,671.96
  4. Step 4: Simplify right side
    20,171.02x = 324,894,990.16
  5. Step 5: Solve for x
    x = 324,894,990.16/20,171.02
  6. Step 6: Final answer
    x = 16,107.02

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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.