Home / 10,367.80-15,563.85-6,211.60

Finding the Fourth Proportional to 10,367.80, 15,563.85 and 6,211.60

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Solution

The fourth proportional to 10,367.80, 15,563.85 and 6,211.60 is: 9,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.80 : 15,563.85 = 6,211.60 : x
  2. Step 2: Convert to fraction form
    10,367.80/15,563.85 = 6,211.60/x
  3. Step 3: Cross multiply
    10,367.80x = 15,563.85 × 6,211.60
  4. Step 4: Simplify right side
    10,367.80x = 96,676,410.66
  5. Step 5: Solve for x
    x = 96,676,410.66/10,367.80
  6. Step 6: Final answer
    x = 9,324.68

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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.