Home / 11,650.18-17,457.04-6,380.72

Finding the Fourth Proportional to 11,650.18, 17,457.04 and 6,380.72

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Solution

The fourth proportional to 11,650.18, 17,457.04 and 6,380.72 is: 9,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.18 : 17,457.04 = 6,380.72 : x
  2. Step 2: Convert to fraction form
    11,650.18/17,457.04 = 6,380.72/x
  3. Step 3: Cross multiply
    11,650.18x = 17,457.04 × 6,380.72
  4. Step 4: Simplify right side
    11,650.18x = 111,388,511.96
  5. Step 5: Solve for x
    x = 111,388,511.96/11,650.18
  6. Step 6: Final answer
    x = 9,561.10

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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.