Home / 19,193.88-28,799.20-6,722.86

Finding the Fourth Proportional to 19,193.88, 28,799.20 and 6,722.86

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Solution

The fourth proportional to 19,193.88, 28,799.20 and 6,722.86 is: 10,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.88 : 28,799.20 = 6,722.86 : x
  2. Step 2: Convert to fraction form
    19,193.88/28,799.20 = 6,722.86/x
  3. Step 3: Cross multiply
    19,193.88x = 28,799.20 × 6,722.86
  4. Step 4: Simplify right side
    19,193.88x = 193,612,989.71
  5. Step 5: Solve for x
    x = 193,612,989.71/19,193.88
  6. Step 6: Final answer
    x = 10,087.23

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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.