Home / 12,440.16-18,635.24-6,181.24

Finding the Fourth Proportional to 12,440.16, 18,635.24 and 6,181.24

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Solution

The fourth proportional to 12,440.16, 18,635.24 and 6,181.24 is: 9,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.16 : 18,635.24 = 6,181.24 : x
  2. Step 2: Convert to fraction form
    12,440.16/18,635.24 = 6,181.24/x
  3. Step 3: Cross multiply
    12,440.16x = 18,635.24 × 6,181.24
  4. Step 4: Simplify right side
    12,440.16x = 115,188,890.90
  5. Step 5: Solve for x
    x = 115,188,890.90/12,440.16
  6. Step 6: Final answer
    x = 9,259.44

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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.