Home / 9,159.75-12,640.46-6,021.54

Finding the Fourth Proportional to 9,159.75, 12,640.46 and 6,021.54

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Solution

The fourth proportional to 9,159.75, 12,640.46 and 6,021.54 is: 8,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.75 : 12,640.46 = 6,021.54 : x
  2. Step 2: Convert to fraction form
    9,159.75/12,640.46 = 6,021.54/x
  3. Step 3: Cross multiply
    9,159.75x = 12,640.46 × 6,021.54
  4. Step 4: Simplify right side
    9,159.75x = 76,115,005.40
  5. Step 5: Solve for x
    x = 76,115,005.40/9,159.75
  6. Step 6: Final answer
    x = 8,309.73

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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.