Home / 12,847.40-19,232.70-7,650.60

Finding the Fourth Proportional to 12,847.40, 19,232.70 and 7,650.60

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Solution

The fourth proportional to 12,847.40, 19,232.70 and 7,650.60 is: 11,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.40 : 19,232.70 = 7,650.60 : x
  2. Step 2: Convert to fraction form
    12,847.40/19,232.70 = 7,650.60/x
  3. Step 3: Cross multiply
    12,847.40x = 19,232.70 × 7,650.60
  4. Step 4: Simplify right side
    12,847.40x = 147,141,694.62
  5. Step 5: Solve for x
    x = 147,141,694.62/12,847.40
  6. Step 6: Final answer
    x = 11,453.03

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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.