Home / 8,997.66-12,418.38-5,814.90

Finding the Fourth Proportional to 8,997.66, 12,418.38 and 5,814.90

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Solution

The fourth proportional to 8,997.66, 12,418.38 and 5,814.90 is: 8,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.66 : 12,418.38 = 5,814.90 : x
  2. Step 2: Convert to fraction form
    8,997.66/12,418.38 = 5,814.90/x
  3. Step 3: Cross multiply
    8,997.66x = 12,418.38 × 5,814.90
  4. Step 4: Simplify right side
    8,997.66x = 72,211,637.86
  5. Step 5: Solve for x
    x = 72,211,637.86/8,997.66
  6. Step 6: Final answer
    x = 8,025.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.