Home / 9,728.73-13,431.60-6,328.97

Finding the Fourth Proportional to 9,728.73, 13,431.60 and 6,328.97

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Solution

The fourth proportional to 9,728.73, 13,431.60 and 6,328.97 is: 8,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728.73 : 13,431.60 = 6,328.97 : x
  2. Step 2: Convert to fraction form
    9,728.73/13,431.60 = 6,328.97/x
  3. Step 3: Cross multiply
    9,728.73x = 13,431.60 × 6,328.97
  4. Step 4: Simplify right side
    9,728.73x = 85,008,215.53
  5. Step 5: Solve for x
    x = 85,008,215.53/9,728.73
  6. Step 6: Final answer
    x = 8,737.85

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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.