Home / 19,946.71-29,921.28-8,260.84

Finding the Fourth Proportional to 19,946.71, 29,921.28 and 8,260.84

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Solution

The fourth proportional to 19,946.71, 29,921.28 and 8,260.84 is: 12,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.71 : 29,921.28 = 8,260.84 : x
  2. Step 2: Convert to fraction form
    19,946.71/29,921.28 = 8,260.84/x
  3. Step 3: Cross multiply
    19,946.71x = 29,921.28 × 8,260.84
  4. Step 4: Simplify right side
    19,946.71x = 247,174,906.68
  5. Step 5: Solve for x
    x = 247,174,906.68/19,946.71
  6. Step 6: Final answer
    x = 12,391.76

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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.