Home / 11,941.80-16,479.90-6,636.84

Finding the Fourth Proportional to 11,941.80, 16,479.90 and 6,636.84

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Solution

The fourth proportional to 11,941.80, 16,479.90 and 6,636.84 is: 9,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.80 : 16,479.90 = 6,636.84 : x
  2. Step 2: Convert to fraction form
    11,941.80/16,479.90 = 6,636.84/x
  3. Step 3: Cross multiply
    11,941.80x = 16,479.90 × 6,636.84
  4. Step 4: Simplify right side
    11,941.80x = 109,374,459.52
  5. Step 5: Solve for x
    x = 109,374,459.52/11,941.80
  6. Step 6: Final answer
    x = 9,158.96

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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.