Home / 19,201.46-28,815.17-6,721.59

Finding the Fourth Proportional to 19,201.46, 28,815.17 and 6,721.59

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Solution

The fourth proportional to 19,201.46, 28,815.17 and 6,721.59 is: 10,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.46 : 28,815.17 = 6,721.59 : x
  2. Step 2: Convert to fraction form
    19,201.46/28,815.17 = 6,721.59/x
  3. Step 3: Cross multiply
    19,201.46x = 28,815.17 × 6,721.59
  4. Step 4: Simplify right side
    19,201.46x = 193,683,724.91
  5. Step 5: Solve for x
    x = 193,683,724.91/19,201.46
  6. Step 6: Final answer
    x = 10,086.93

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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.