Home / 19,455.36-29,183.12-10,685.48

Finding the Fourth Proportional to 19,455.36, 29,183.12 and 10,685.48

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Solution

The fourth proportional to 19,455.36, 29,183.12 and 10,685.48 is: 16,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.36 : 29,183.12 = 10,685.48 : x
  2. Step 2: Convert to fraction form
    19,455.36/29,183.12 = 10,685.48/x
  3. Step 3: Cross multiply
    19,455.36x = 29,183.12 × 10,685.48
  4. Step 4: Simplify right side
    19,455.36x = 311,835,645.10
  5. Step 5: Solve for x
    x = 311,835,645.10/19,455.36
  6. Step 6: Final answer
    x = 16,028.26

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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.