Home / 9,353.32-12,908.10-5,161.96

Finding the Fourth Proportional to 9,353.32, 12,908.10 and 5,161.96

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Solution

The fourth proportional to 9,353.32, 12,908.10 and 5,161.96 is: 7,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.32 : 12,908.10 = 5,161.96 : x
  2. Step 2: Convert to fraction form
    9,353.32/12,908.10 = 5,161.96/x
  3. Step 3: Cross multiply
    9,353.32x = 12,908.10 × 5,161.96
  4. Step 4: Simplify right side
    9,353.32x = 66,631,095.88
  5. Step 5: Solve for x
    x = 66,631,095.88/9,353.32
  6. Step 6: Final answer
    x = 7,123.79

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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.