Home / 21,966.89-32,950.32-8,819.25

Finding the Fourth Proportional to 21,966.89, 32,950.32 and 8,819.25

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Solution

The fourth proportional to 21,966.89, 32,950.32 and 8,819.25 is: 13,228.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.89 : 32,950.32 = 8,819.25 : x
  2. Step 2: Convert to fraction form
    21,966.89/32,950.32 = 8,819.25/x
  3. Step 3: Cross multiply
    21,966.89x = 32,950.32 × 8,819.25
  4. Step 4: Simplify right side
    21,966.89x = 290,597,109.66
  5. Step 5: Solve for x
    x = 290,597,109.66/21,966.89
  6. Step 6: Final answer
    x = 13,228.87

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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.