Home / 20,724.44-31,079.32-6,683.92

Finding the Fourth Proportional to 20,724.44, 31,079.32 and 6,683.92

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Solution

The fourth proportional to 20,724.44, 31,079.32 and 6,683.92 is: 10,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724.44 : 31,079.32 = 6,683.92 : x
  2. Step 2: Convert to fraction form
    20,724.44/31,079.32 = 6,683.92/x
  3. Step 3: Cross multiply
    20,724.44x = 31,079.32 × 6,683.92
  4. Step 4: Simplify right side
    20,724.44x = 207,731,688.53
  5. Step 5: Solve for x
    x = 207,731,688.53/20,724.44
  6. Step 6: Final answer
    x = 10,023.51

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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.