Home / 11,144.72-15,396.45-7,325.47

Finding the Fourth Proportional to 11,144.72, 15,396.45 and 7,325.47

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Solution

The fourth proportional to 11,144.72, 15,396.45 and 7,325.47 is: 10,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.72 : 15,396.45 = 7,325.47 : x
  2. Step 2: Convert to fraction form
    11,144.72/15,396.45 = 7,325.47/x
  3. Step 3: Cross multiply
    11,144.72x = 15,396.45 × 7,325.47
  4. Step 4: Simplify right side
    11,144.72x = 112,786,224.36
  5. Step 5: Solve for x
    x = 112,786,224.36/11,144.72
  6. Step 6: Final answer
    x = 10,120.15

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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.