Home / 9,372.98-12,945.33-6,383.61

Finding the Fourth Proportional to 9,372.98, 12,945.33 and 6,383.61

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Solution

The fourth proportional to 9,372.98, 12,945.33 and 6,383.61 is: 8,816.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.98 : 12,945.33 = 6,383.61 : x
  2. Step 2: Convert to fraction form
    9,372.98/12,945.33 = 6,383.61/x
  3. Step 3: Cross multiply
    9,372.98x = 12,945.33 × 6,383.61
  4. Step 4: Simplify right side
    9,372.98x = 82,637,938.04
  5. Step 5: Solve for x
    x = 82,637,938.04/9,372.98
  6. Step 6: Final answer
    x = 8,816.62

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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.