Home / 10,234.40-15,351.60-3,660.80

Finding the Fourth Proportional to 10,234.40, 15,351.60 and 3,660.80

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Solution

The fourth proportional to 10,234.40, 15,351.60 and 3,660.80 is: 5,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.40 : 15,351.60 = 3,660.80 : x
  2. Step 2: Convert to fraction form
    10,234.40/15,351.60 = 3,660.80/x
  3. Step 3: Cross multiply
    10,234.40x = 15,351.60 × 3,660.80
  4. Step 4: Simplify right side
    10,234.40x = 56,199,137.28
  5. Step 5: Solve for x
    x = 56,199,137.28/10,234.40
  6. Step 6: Final answer
    x = 5,491.20

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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.