Home / 19,601.92-29,391.81-6,450.76

Finding the Fourth Proportional to 19,601.92, 29,391.81 and 6,450.76

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Solution

The fourth proportional to 19,601.92, 29,391.81 and 6,450.76 is: 9,672.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,601.92 : 29,391.81 = 6,450.76 : x
  2. Step 2: Convert to fraction form
    19,601.92/29,391.81 = 6,450.76/x
  3. Step 3: Cross multiply
    19,601.92x = 29,391.81 × 6,450.76
  4. Step 4: Simplify right side
    19,601.92x = 189,599,512.28
  5. Step 5: Solve for x
    x = 189,599,512.28/19,601.92
  6. Step 6: Final answer
    x = 9,672.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.