Home / 21,884.18-32,823.20-12,493.76

Finding the Fourth Proportional to 21,884.18, 32,823.20 and 12,493.76

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Solution

The fourth proportional to 21,884.18, 32,823.20 and 12,493.76 is: 18,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,884.18 : 32,823.20 = 12,493.76 : x
  2. Step 2: Convert to fraction form
    21,884.18/32,823.20 = 12,493.76/x
  3. Step 3: Cross multiply
    21,884.18x = 32,823.20 × 12,493.76
  4. Step 4: Simplify right side
    21,884.18x = 410,084,956.65
  5. Step 5: Solve for x
    x = 410,084,956.65/21,884.18
  6. Step 6: Final answer
    x = 18,738.88

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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.