Home / 13,076.68-19,620.50-5,687.36

Finding the Fourth Proportional to 13,076.68, 19,620.50 and 5,687.36

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Solution

The fourth proportional to 13,076.68, 19,620.50 and 5,687.36 is: 8,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.68 : 19,620.50 = 5,687.36 : x
  2. Step 2: Convert to fraction form
    13,076.68/19,620.50 = 5,687.36/x
  3. Step 3: Cross multiply
    13,076.68x = 19,620.50 × 5,687.36
  4. Step 4: Simplify right side
    13,076.68x = 111,588,846.88
  5. Step 5: Solve for x
    x = 111,588,846.88/13,076.68
  6. Step 6: Final answer
    x = 8,533.42

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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.