Home / 11,992.24-16,549.32-6,688.12

Finding the Fourth Proportional to 11,992.24, 16,549.32 and 6,688.12

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Solution

The fourth proportional to 11,992.24, 16,549.32 and 6,688.12 is: 9,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.24 : 16,549.32 = 6,688.12 : x
  2. Step 2: Convert to fraction form
    11,992.24/16,549.32 = 6,688.12/x
  3. Step 3: Cross multiply
    11,992.24x = 16,549.32 × 6,688.12
  4. Step 4: Simplify right side
    11,992.24x = 110,683,838.08
  5. Step 5: Solve for x
    x = 110,683,838.08/11,992.24
  6. Step 6: Final answer
    x = 9,229.62

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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.