Home / 11,941.38-16,479.54-6,636.72

Finding the Fourth Proportional to 11,941.38, 16,479.54 and 6,636.72

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Solution

The fourth proportional to 11,941.38, 16,479.54 and 6,636.72 is: 9,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.38 : 16,479.54 = 6,636.72 : x
  2. Step 2: Convert to fraction form
    11,941.38/16,479.54 = 6,636.72/x
  3. Step 3: Cross multiply
    11,941.38x = 16,479.54 × 6,636.72
  4. Step 4: Simplify right side
    11,941.38x = 109,370,092.71
  5. Step 5: Solve for x
    x = 109,370,092.71/11,941.38
  6. Step 6: Final answer
    x = 9,158.92

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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.