Home / 11,020.68-15,201.72-7,244.28

Finding the Fourth Proportional to 11,020.68, 15,201.72 and 7,244.28

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Solution

The fourth proportional to 11,020.68, 15,201.72 and 7,244.28 is: 9,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.68 : 15,201.72 = 7,244.28 : x
  2. Step 2: Convert to fraction form
    11,020.68/15,201.72 = 7,244.28/x
  3. Step 3: Cross multiply
    11,020.68x = 15,201.72 × 7,244.28
  4. Step 4: Simplify right side
    11,020.68x = 110,125,516.16
  5. Step 5: Solve for x
    x = 110,125,516.16/11,020.68
  6. Step 6: Final answer
    x = 9,992.62

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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.