Home / 19,399.16-29,107.38-10,163

Finding the Fourth Proportional to 19,399.16, 29,107.38 and 10,163

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Solution

The fourth proportional to 19,399.16, 29,107.38 and 10,163 is: 15,249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.16 : 29,107.38 = 10,163 : x
  2. Step 2: Convert to fraction form
    19,399.16/29,107.38 = 10,163/x
  3. Step 3: Cross multiply
    19,399.16x = 29,107.38 × 10,163
  4. Step 4: Simplify right side
    19,399.16x = 295,818,302.94
  5. Step 5: Solve for x
    x = 295,818,302.94/19,399.16
  6. Step 6: Final answer
    x = 15,249.03

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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.