Home / 16,998.24-25,495.68-5,311.08

Finding the Fourth Proportional to 16,998.24, 25,495.68 and 5,311.08

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Solution

The fourth proportional to 16,998.24, 25,495.68 and 5,311.08 is: 7,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.24 : 25,495.68 = 5,311.08 : x
  2. Step 2: Convert to fraction form
    16,998.24/25,495.68 = 5,311.08/x
  3. Step 3: Cross multiply
    16,998.24x = 25,495.68 × 5,311.08
  4. Step 4: Simplify right side
    16,998.24x = 135,409,596.13
  5. Step 5: Solve for x
    x = 135,409,596.13/16,998.24
  6. Step 6: Final answer
    x = 7,966.10

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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.