Home / 16,861.70-25,280.40-11,021.60

Finding the Fourth Proportional to 16,861.70, 25,280.40 and 11,021.60

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Solution

The fourth proportional to 16,861.70, 25,280.40 and 11,021.60 is: 16,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.70 : 25,280.40 = 11,021.60 : x
  2. Step 2: Convert to fraction form
    16,861.70/25,280.40 = 11,021.60/x
  3. Step 3: Cross multiply
    16,861.70x = 25,280.40 × 11,021.60
  4. Step 4: Simplify right side
    16,861.70x = 278,630,456.64
  5. Step 5: Solve for x
    x = 278,630,456.64/16,861.70
  6. Step 6: Final answer
    x = 16,524.46

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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.