Home / 10,620.80-14,652.60-6,843.66

Finding the Fourth Proportional to 10,620.80, 14,652.60 and 6,843.66

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Solution

The fourth proportional to 10,620.80, 14,652.60 and 6,843.66 is: 9,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.80 : 14,652.60 = 6,843.66 : x
  2. Step 2: Convert to fraction form
    10,620.80/14,652.60 = 6,843.66/x
  3. Step 3: Cross multiply
    10,620.80x = 14,652.60 × 6,843.66
  4. Step 4: Simplify right side
    10,620.80x = 100,277,412.52
  5. Step 5: Solve for x
    x = 100,277,412.52/10,620.80
  6. Step 6: Final answer
    x = 9,441.61

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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.