Home / 19,399.32-29,099.17-10,629.45

Finding the Fourth Proportional to 19,399.32, 29,099.17 and 10,629.45

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Solution

The fourth proportional to 19,399.32, 29,099.17 and 10,629.45 is: 15,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.32 : 29,099.17 = 10,629.45 : x
  2. Step 2: Convert to fraction form
    19,399.32/29,099.17 = 10,629.45/x
  3. Step 3: Cross multiply
    19,399.32x = 29,099.17 × 10,629.45
  4. Step 4: Simplify right side
    19,399.32x = 309,308,297.58
  5. Step 5: Solve for x
    x = 309,308,297.58/19,399.32
  6. Step 6: Final answer
    x = 15,944.28

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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.