Home / 11,996.16-16,552.32-7,280.64

Finding the Fourth Proportional to 11,996.16, 16,552.32 and 7,280.64

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Solution

The fourth proportional to 11,996.16, 16,552.32 and 7,280.64 is: 10,045.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.16 : 16,552.32 = 7,280.64 : x
  2. Step 2: Convert to fraction form
    11,996.16/16,552.32 = 7,280.64/x
  3. Step 3: Cross multiply
    11,996.16x = 16,552.32 × 7,280.64
  4. Step 4: Simplify right side
    11,996.16x = 120,511,483.08
  5. Step 5: Solve for x
    x = 120,511,483.08/11,996.16
  6. Step 6: Final answer
    x = 10,045.84

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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.