Home / 21,885.18-32,824.69-12,494.76

Finding the Fourth Proportional to 21,885.18, 32,824.69 and 12,494.76

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Solution

The fourth proportional to 21,885.18, 32,824.69 and 12,494.76 is: 18,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885.18 : 32,824.69 = 12,494.76 : x
  2. Step 2: Convert to fraction form
    21,885.18/32,824.69 = 12,494.76/x
  3. Step 3: Cross multiply
    21,885.18x = 32,824.69 × 12,494.76
  4. Step 4: Simplify right side
    21,885.18x = 410,136,623.62
  5. Step 5: Solve for x
    x = 410,136,623.62/21,885.18
  6. Step 6: Final answer
    x = 18,740.38

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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.