Home / 21,671.04-32,447.89-11,260.92

Finding the Fourth Proportional to 21,671.04, 32,447.89 and 11,260.92

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Solution

The fourth proportional to 21,671.04, 32,447.89 and 11,260.92 is: 16,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,671.04 : 32,447.89 = 11,260.92 : x
  2. Step 2: Convert to fraction form
    21,671.04/32,447.89 = 11,260.92/x
  3. Step 3: Cross multiply
    21,671.04x = 32,447.89 × 11,260.92
  4. Step 4: Simplify right side
    21,671.04x = 365,393,229.21
  5. Step 5: Solve for x
    x = 365,393,229.21/21,671.04
  6. Step 6: Final answer
    x = 16,860.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.