Home / 19,390.05-26,768.43-13,049.97

Finding the Fourth Proportional to 19,390.05, 26,768.43 and 13,049.97

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Solution

The fourth proportional to 19,390.05, 26,768.43 and 13,049.97 is: 18,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.05 : 26,768.43 = 13,049.97 : x
  2. Step 2: Convert to fraction form
    19,390.05/26,768.43 = 13,049.97/x
  3. Step 3: Cross multiply
    19,390.05x = 26,768.43 × 13,049.97
  4. Step 4: Simplify right side
    19,390.05x = 349,327,208.45
  5. Step 5: Solve for x
    x = 349,327,208.45/19,390.05
  6. Step 6: Final answer
    x = 18,015.80

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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.