Home / 10,297.30-15,442.30-4,450.72

Finding the Fourth Proportional to 10,297.30, 15,442.30 and 4,450.72

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Solution

The fourth proportional to 10,297.30, 15,442.30 and 4,450.72 is: 6,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297.30 : 15,442.30 = 4,450.72 : x
  2. Step 2: Convert to fraction form
    10,297.30/15,442.30 = 4,450.72/x
  3. Step 3: Cross multiply
    10,297.30x = 15,442.30 × 4,450.72
  4. Step 4: Simplify right side
    10,297.30x = 68,729,324.33
  5. Step 5: Solve for x
    x = 68,729,324.33/10,297.30
  6. Step 6: Final answer
    x = 6,674.50

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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.