Home / 11,348.60-15,661.12-6,568.54

Finding the Fourth Proportional to 11,348.60, 15,661.12 and 6,568.54

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Solution

The fourth proportional to 11,348.60, 15,661.12 and 6,568.54 is: 9,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.60 : 15,661.12 = 6,568.54 : x
  2. Step 2: Convert to fraction form
    11,348.60/15,661.12 = 6,568.54/x
  3. Step 3: Cross multiply
    11,348.60x = 15,661.12 × 6,568.54
  4. Step 4: Simplify right side
    11,348.60x = 102,870,614.86
  5. Step 5: Solve for x
    x = 102,870,614.86/11,348.60
  6. Step 6: Final answer
    x = 9,064.61

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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.