Home / 10,781.08-16,172.62-2,883.44

Finding the Fourth Proportional to 10,781.08, 16,172.62 and 2,883.44

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Solution

The fourth proportional to 10,781.08, 16,172.62 and 2,883.44 is: 4,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.08 : 16,172.62 = 2,883.44 : x
  2. Step 2: Convert to fraction form
    10,781.08/16,172.62 = 2,883.44/x
  3. Step 3: Cross multiply
    10,781.08x = 16,172.62 × 2,883.44
  4. Step 4: Simplify right side
    10,781.08x = 46,632,779.41
  5. Step 5: Solve for x
    x = 46,632,779.41/10,781.08
  6. Step 6: Final answer
    x = 4,325.43

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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.