Home / 16,818.60-25,217.10-6,961.80

Finding the Fourth Proportional to 16,818.60, 25,217.10 and 6,961.80

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Solution

The fourth proportional to 16,818.60, 25,217.10 and 6,961.80 is: 10,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.60 : 25,217.10 = 6,961.80 : x
  2. Step 2: Convert to fraction form
    16,818.60/25,217.10 = 6,961.80/x
  3. Step 3: Cross multiply
    16,818.60x = 25,217.10 × 6,961.80
  4. Step 4: Simplify right side
    16,818.60x = 175,556,406.78
  5. Step 5: Solve for x
    x = 175,556,406.78/16,818.60
  6. Step 6: Final answer
    x = 10,438.23

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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.