Home / 20,237.28-30,360.32-6,197.36

Finding the Fourth Proportional to 20,237.28, 30,360.32 and 6,197.36

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Solution

The fourth proportional to 20,237.28, 30,360.32 and 6,197.36 is: 9,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.28 : 30,360.32 = 6,197.36 : x
  2. Step 2: Convert to fraction form
    20,237.28/30,360.32 = 6,197.36/x
  3. Step 3: Cross multiply
    20,237.28x = 30,360.32 × 6,197.36
  4. Step 4: Simplify right side
    20,237.28x = 188,153,832.76
  5. Step 5: Solve for x
    x = 188,153,832.76/20,237.28
  6. Step 6: Final answer
    x = 9,297.39

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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.