Home / 9,327.80-13,923.45-8,220.66

Finding the Fourth Proportional to 9,327.80, 13,923.45 and 8,220.66

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Solution

The fourth proportional to 9,327.80, 13,923.45 and 8,220.66 is: 12,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.80 : 13,923.45 = 8,220.66 : x
  2. Step 2: Convert to fraction form
    9,327.80/13,923.45 = 8,220.66/x
  3. Step 3: Cross multiply
    9,327.80x = 13,923.45 × 8,220.66
  4. Step 4: Simplify right side
    9,327.80x = 114,459,917.65
  5. Step 5: Solve for x
    x = 114,459,917.65/9,327.80
  6. Step 6: Final answer
    x = 12,270.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.