Home / 18,968.24-28,443-5,817.44

Finding the Fourth Proportional to 18,968.24, 28,443 and 5,817.44

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Solution

The fourth proportional to 18,968.24, 28,443 and 5,817.44 is: 8,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.24 : 28,443 = 5,817.44 : x
  2. Step 2: Convert to fraction form
    18,968.24/28,443 = 5,817.44/x
  3. Step 3: Cross multiply
    18,968.24x = 28,443 × 5,817.44
  4. Step 4: Simplify right side
    18,968.24x = 165,465,445.92
  5. Step 5: Solve for x
    x = 165,465,445.92/18,968.24
  6. Step 6: Final answer
    x = 8,723.29

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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.