Home / 16,980.80-25,434.26-8,197.25

Finding the Fourth Proportional to 16,980.80, 25,434.26 and 8,197.25

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Solution

The fourth proportional to 16,980.80, 25,434.26 and 8,197.25 is: 12,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,980.80 : 25,434.26 = 8,197.25 : x
  2. Step 2: Convert to fraction form
    16,980.80/25,434.26 = 8,197.25/x
  3. Step 3: Cross multiply
    16,980.80x = 25,434.26 × 8,197.25
  4. Step 4: Simplify right side
    16,980.80x = 208,491,071.86
  5. Step 5: Solve for x
    x = 208,491,071.86/16,980.80
  6. Step 6: Final answer
    x = 12,278.05

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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.