Home / 12,244.90-18,355.20-5,999.80

Finding the Fourth Proportional to 12,244.90, 18,355.20 and 5,999.80

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Solution

The fourth proportional to 12,244.90, 18,355.20 and 5,999.80 is: 8,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.90 : 18,355.20 = 5,999.80 : x
  2. Step 2: Convert to fraction form
    12,244.90/18,355.20 = 5,999.80/x
  3. Step 3: Cross multiply
    12,244.90x = 18,355.20 × 5,999.80
  4. Step 4: Simplify right side
    12,244.90x = 110,127,528.96
  5. Step 5: Solve for x
    x = 110,127,528.96/12,244.90
  6. Step 6: Final answer
    x = 8,993.75

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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.