Home / 15,568.80-23,353.44-5,181.36

Finding the Fourth Proportional to 15,568.80, 23,353.44 and 5,181.36

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Solution

The fourth proportional to 15,568.80, 23,353.44 and 5,181.36 is: 7,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.80 : 23,353.44 = 5,181.36 : x
  2. Step 2: Convert to fraction form
    15,568.80/23,353.44 = 5,181.36/x
  3. Step 3: Cross multiply
    15,568.80x = 23,353.44 × 5,181.36
  4. Step 4: Simplify right side
    15,568.80x = 121,002,579.88
  5. Step 5: Solve for x
    x = 121,002,579.88/15,568.80
  6. Step 6: Final answer
    x = 7,772.12

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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.