Home / 9,579.06-13,212.90-6,174.54

Finding the Fourth Proportional to 9,579.06, 13,212.90 and 6,174.54

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Solution

The fourth proportional to 9,579.06, 13,212.90 and 6,174.54 is: 8,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.06 : 13,212.90 = 6,174.54 : x
  2. Step 2: Convert to fraction form
    9,579.06/13,212.90 = 6,174.54/x
  3. Step 3: Cross multiply
    9,579.06x = 13,212.90 × 6,174.54
  4. Step 4: Simplify right side
    9,579.06x = 81,583,579.57
  5. Step 5: Solve for x
    x = 81,583,579.57/9,579.06
  6. Step 6: Final answer
    x = 8,516.87

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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.