Home / 16,816.21-25,226.13-5,720.83

Finding the Fourth Proportional to 16,816.21, 25,226.13 and 5,720.83

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Solution

The fourth proportional to 16,816.21, 25,226.13 and 5,720.83 is: 8,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.21 : 25,226.13 = 5,720.83 : x
  2. Step 2: Convert to fraction form
    16,816.21/25,226.13 = 5,720.83/x
  3. Step 3: Cross multiply
    16,816.21x = 25,226.13 × 5,720.83
  4. Step 4: Simplify right side
    16,816.21x = 144,314,359.68
  5. Step 5: Solve for x
    x = 144,314,359.68/16,816.21
  6. Step 6: Final answer
    x = 8,581.86

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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.