Home / 11,941.34-16,478.83-6,636.04

Finding the Fourth Proportional to 11,941.34, 16,478.83 and 6,636.04

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Solution

The fourth proportional to 11,941.34, 16,478.83 and 6,636.04 is: 9,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.34 : 16,478.83 = 6,636.04 : x
  2. Step 2: Convert to fraction form
    11,941.34/16,478.83 = 6,636.04/x
  3. Step 3: Cross multiply
    11,941.34x = 16,478.83 × 6,636.04
  4. Step 4: Simplify right side
    11,941.34x = 109,354,175.03
  5. Step 5: Solve for x
    x = 109,354,175.03/11,941.34
  6. Step 6: Final answer
    x = 9,157.61

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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.