Home / 14,016.20-21,024.30-8,486.60

Finding the Fourth Proportional to 14,016.20, 21,024.30 and 8,486.60

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Solution

The fourth proportional to 14,016.20, 21,024.30 and 8,486.60 is: 12,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.20 : 21,024.30 = 8,486.60 : x
  2. Step 2: Convert to fraction form
    14,016.20/21,024.30 = 8,486.60/x
  3. Step 3: Cross multiply
    14,016.20x = 21,024.30 × 8,486.60
  4. Step 4: Simplify right side
    14,016.20x = 178,424,824.38
  5. Step 5: Solve for x
    x = 178,424,824.38/14,016.20
  6. Step 6: Final answer
    x = 12,729.90

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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.