Home / 9,389.60-12,951.96-6,201.72

Finding the Fourth Proportional to 9,389.60, 12,951.96 and 6,201.72

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Solution

The fourth proportional to 9,389.60, 12,951.96 and 6,201.72 is: 8,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.60 : 12,951.96 = 6,201.72 : x
  2. Step 2: Convert to fraction form
    9,389.60/12,951.96 = 6,201.72/x
  3. Step 3: Cross multiply
    9,389.60x = 12,951.96 × 6,201.72
  4. Step 4: Simplify right side
    9,389.60x = 80,324,429.37
  5. Step 5: Solve for x
    x = 80,324,429.37/9,389.60
  6. Step 6: Final answer
    x = 8,554.62

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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.