Home / 20,418.99-30,622.01-6,564.75

Finding the Fourth Proportional to 20,418.99, 30,622.01 and 6,564.75

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Solution

The fourth proportional to 20,418.99, 30,622.01 and 6,564.75 is: 9,845.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,418.99 : 30,622.01 = 6,564.75 : x
  2. Step 2: Convert to fraction form
    20,418.99/30,622.01 = 6,564.75/x
  3. Step 3: Cross multiply
    20,418.99x = 30,622.01 × 6,564.75
  4. Step 4: Simplify right side
    20,418.99x = 201,025,807.32
  5. Step 5: Solve for x
    x = 201,025,807.32/20,418.99
  6. Step 6: Final answer
    x = 9,845.04

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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.