Home / 20,324.09-30,489.08-6,285.28

Finding the Fourth Proportional to 20,324.09, 30,489.08 and 6,285.28

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Solution

The fourth proportional to 20,324.09, 30,489.08 and 6,285.28 is: 9,428.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.09 : 30,489.08 = 6,285.28 : x
  2. Step 2: Convert to fraction form
    20,324.09/30,489.08 = 6,285.28/x
  3. Step 3: Cross multiply
    20,324.09x = 30,489.08 × 6,285.28
  4. Step 4: Simplify right side
    20,324.09x = 191,632,297.09
  5. Step 5: Solve for x
    x = 191,632,297.09/20,324.09
  6. Step 6: Final answer
    x = 9,428.82

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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.