Home / 18,830.98-25,993.74-16,167.70

Finding the Fourth Proportional to 18,830.98, 25,993.74 and 16,167.70

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Solution

The fourth proportional to 18,830.98, 25,993.74 and 16,167.70 is: 22,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.98 : 25,993.74 = 16,167.70 : x
  2. Step 2: Convert to fraction form
    18,830.98/25,993.74 = 16,167.70/x
  3. Step 3: Cross multiply
    18,830.98x = 25,993.74 × 16,167.70
  4. Step 4: Simplify right side
    18,830.98x = 420,258,990.20
  5. Step 5: Solve for x
    x = 420,258,990.20/18,830.98
  6. Step 6: Final answer
    x = 22,317.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.