Home / 19,195.92-28,802.22-6,724.90

Finding the Fourth Proportional to 19,195.92, 28,802.22 and 6,724.90

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Solution

The fourth proportional to 19,195.92, 28,802.22 and 6,724.90 is: 10,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.92 : 28,802.22 = 6,724.90 : x
  2. Step 2: Convert to fraction form
    19,195.92/28,802.22 = 6,724.90/x
  3. Step 3: Cross multiply
    19,195.92x = 28,802.22 × 6,724.90
  4. Step 4: Simplify right side
    19,195.92x = 193,692,049.28
  5. Step 5: Solve for x
    x = 193,692,049.28/19,195.92
  6. Step 6: Final answer
    x = 10,090.27

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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.