Home / 16,679.97-25,021.70-5,436.18

Finding the Fourth Proportional to 16,679.97, 25,021.70 and 5,436.18

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Solution

The fourth proportional to 16,679.97, 25,021.70 and 5,436.18 is: 8,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.97 : 25,021.70 = 5,436.18 : x
  2. Step 2: Convert to fraction form
    16,679.97/25,021.70 = 5,436.18/x
  3. Step 3: Cross multiply
    16,679.97x = 25,021.70 × 5,436.18
  4. Step 4: Simplify right side
    16,679.97x = 136,022,465.11
  5. Step 5: Solve for x
    x = 136,022,465.11/16,679.97
  6. Step 6: Final answer
    x = 8,154.84

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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.