Home / 16,958.60-25,430.70-8,196.20

Finding the Fourth Proportional to 16,958.60, 25,430.70 and 8,196.20

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Solution

The fourth proportional to 16,958.60, 25,430.70 and 8,196.20 is: 12,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.60 : 25,430.70 = 8,196.20 : x
  2. Step 2: Convert to fraction form
    16,958.60/25,430.70 = 8,196.20/x
  3. Step 3: Cross multiply
    16,958.60x = 25,430.70 × 8,196.20
  4. Step 4: Simplify right side
    16,958.60x = 208,435,103.34
  5. Step 5: Solve for x
    x = 208,435,103.34/16,958.60
  6. Step 6: Final answer
    x = 12,290.82

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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.