Home / 20,389.33-30,563.33-13,816.18

Finding the Fourth Proportional to 20,389.33, 30,563.33 and 13,816.18

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Solution

The fourth proportional to 20,389.33, 30,563.33 and 13,816.18 is: 20,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,389.33 : 30,563.33 = 13,816.18 : x
  2. Step 2: Convert to fraction form
    20,389.33/30,563.33 = 13,816.18/x
  3. Step 3: Cross multiply
    20,389.33x = 30,563.33 × 13,816.18
  4. Step 4: Simplify right side
    20,389.33x = 422,268,468.68
  5. Step 5: Solve for x
    x = 422,268,468.68/20,389.33
  6. Step 6: Final answer
    x = 20,710.27

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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.