Home / 11,941.40-16,479.15-6,636.08

Finding the Fourth Proportional to 11,941.40, 16,479.15 and 6,636.08

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Solution

The fourth proportional to 11,941.40, 16,479.15 and 6,636.08 is: 9,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.40 : 16,479.15 = 6,636.08 : x
  2. Step 2: Convert to fraction form
    11,941.40/16,479.15 = 6,636.08/x
  3. Step 3: Cross multiply
    11,941.40x = 16,479.15 × 6,636.08
  4. Step 4: Simplify right side
    11,941.40x = 109,356,957.73
  5. Step 5: Solve for x
    x = 109,356,957.73/11,941.40
  6. Step 6: Final answer
    x = 9,157.80

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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.