Home / 8,016.24-12,024.40-2,172.80

Finding the Fourth Proportional to 8,016.24, 12,024.40 and 2,172.80

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Solution

The fourth proportional to 8,016.24, 12,024.40 and 2,172.80 is: 3,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,016.24 : 12,024.40 = 2,172.80 : x
  2. Step 2: Convert to fraction form
    8,016.24/12,024.40 = 2,172.80/x
  3. Step 3: Cross multiply
    8,016.24x = 12,024.40 × 2,172.80
  4. Step 4: Simplify right side
    8,016.24x = 26,126,616.32
  5. Step 5: Solve for x
    x = 26,126,616.32/8,016.24
  6. Step 6: Final answer
    x = 3,259.21

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