Home / 11,727.12-16,184.96-6,690.18

Finding the Fourth Proportional to 11,727.12, 16,184.96 and 6,690.18

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Solution

The fourth proportional to 11,727.12, 16,184.96 and 6,690.18 is: 9,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.12 : 16,184.96 = 6,690.18 : x
  2. Step 2: Convert to fraction form
    11,727.12/16,184.96 = 6,690.18/x
  3. Step 3: Cross multiply
    11,727.12x = 16,184.96 × 6,690.18
  4. Step 4: Simplify right side
    11,727.12x = 108,280,295.69
  5. Step 5: Solve for x
    x = 108,280,295.69/11,727.12
  6. Step 6: Final answer
    x = 9,233.32

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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.