Home / 9,353.16-12,906.45-5,161.14

Finding the Fourth Proportional to 9,353.16, 12,906.45 and 5,161.14

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Solution

The fourth proportional to 9,353.16, 12,906.45 and 5,161.14 is: 7,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.16 : 12,906.45 = 5,161.14 : x
  2. Step 2: Convert to fraction form
    9,353.16/12,906.45 = 5,161.14/x
  3. Step 3: Cross multiply
    9,353.16x = 12,906.45 × 5,161.14
  4. Step 4: Simplify right side
    9,353.16x = 66,611,995.35
  5. Step 5: Solve for x
    x = 66,611,995.35/9,353.16
  6. Step 6: Final answer
    x = 7,121.87

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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.