Home / 9,376.73-12,939.92-5,127.72

Finding the Fourth Proportional to 9,376.73, 12,939.92 and 5,127.72

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Solution

The fourth proportional to 9,376.73, 12,939.92 and 5,127.72 is: 7,076.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.73 : 12,939.92 = 5,127.72 : x
  2. Step 2: Convert to fraction form
    9,376.73/12,939.92 = 5,127.72/x
  3. Step 3: Cross multiply
    9,376.73x = 12,939.92 × 5,127.72
  4. Step 4: Simplify right side
    9,376.73x = 66,352,260.94
  5. Step 5: Solve for x
    x = 66,352,260.94/9,376.73
  6. Step 6: Final answer
    x = 7,076.27

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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.