Home / 19,145.03-28,656.07-10,238.09

Finding the Fourth Proportional to 19,145.03, 28,656.07 and 10,238.09

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Solution

The fourth proportional to 19,145.03, 28,656.07 and 10,238.09 is: 15,324.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.03 : 28,656.07 = 10,238.09 : x
  2. Step 2: Convert to fraction form
    19,145.03/28,656.07 = 10,238.09/x
  3. Step 3: Cross multiply
    19,145.03x = 28,656.07 × 10,238.09
  4. Step 4: Simplify right side
    19,145.03x = 293,383,254.83
  5. Step 5: Solve for x
    x = 293,383,254.83/19,145.03
  6. Step 6: Final answer
    x = 15,324.26

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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.