Home / 11,552.78-15,942.47-6,516.92

Finding the Fourth Proportional to 11,552.78, 15,942.47 and 6,516.92

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Solution

The fourth proportional to 11,552.78, 15,942.47 and 6,516.92 is: 8,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.78 : 15,942.47 = 6,516.92 : x
  2. Step 2: Convert to fraction form
    11,552.78/15,942.47 = 6,516.92/x
  3. Step 3: Cross multiply
    11,552.78x = 15,942.47 × 6,516.92
  4. Step 4: Simplify right side
    11,552.78x = 103,895,769.01
  5. Step 5: Solve for x
    x = 103,895,769.01/11,552.78
  6. Step 6: Final answer
    x = 8,993.14

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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.