Home / 13,859.39-19,150.41-10,269.20

Finding the Fourth Proportional to 13,859.39, 19,150.41 and 10,269.20

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Solution

The fourth proportional to 13,859.39, 19,150.41 and 10,269.20 is: 14,189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.39 : 19,150.41 = 10,269.20 : x
  2. Step 2: Convert to fraction form
    13,859.39/19,150.41 = 10,269.20/x
  3. Step 3: Cross multiply
    13,859.39x = 19,150.41 × 10,269.20
  4. Step 4: Simplify right side
    13,859.39x = 196,659,294.62
  5. Step 5: Solve for x
    x = 196,659,294.62/13,859.39
  6. Step 6: Final answer
    x = 14,189.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.