Home / 18,197.69-25,115.18-10,241.51

Finding the Fourth Proportional to 18,197.69, 25,115.18 and 10,241.51

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Solution

The fourth proportional to 18,197.69, 25,115.18 and 10,241.51 is: 14,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.69 : 25,115.18 = 10,241.51 : x
  2. Step 2: Convert to fraction form
    18,197.69/25,115.18 = 10,241.51/x
  3. Step 3: Cross multiply
    18,197.69x = 25,115.18 × 10,241.51
  4. Step 4: Simplify right side
    18,197.69x = 257,217,190.34
  5. Step 5: Solve for x
    x = 257,217,190.34/18,197.69
  6. Step 6: Final answer
    x = 14,134.61

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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.