Home / 19,820.19-29,725.42-6,672.27

Finding the Fourth Proportional to 19,820.19, 29,725.42 and 6,672.27

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Solution

The fourth proportional to 19,820.19, 29,725.42 and 6,672.27 is: 10,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.19 : 29,725.42 = 6,672.27 : x
  2. Step 2: Convert to fraction form
    19,820.19/29,725.42 = 6,672.27/x
  3. Step 3: Cross multiply
    19,820.19x = 29,725.42 × 6,672.27
  4. Step 4: Simplify right side
    19,820.19x = 198,336,028.10
  5. Step 5: Solve for x
    x = 198,336,028.10/19,820.19
  6. Step 6: Final answer
    x = 10,006.77

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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.