Home / 19,415.88-26,793.24-11,859.48

Finding the Fourth Proportional to 19,415.88, 26,793.24 and 11,859.48

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Solution

The fourth proportional to 19,415.88, 26,793.24 and 11,859.48 is: 16,365.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.88 : 26,793.24 = 11,859.48 : x
  2. Step 2: Convert to fraction form
    19,415.88/26,793.24 = 11,859.48/x
  3. Step 3: Cross multiply
    19,415.88x = 26,793.24 × 11,859.48
  4. Step 4: Simplify right side
    19,415.88x = 317,753,893.92
  5. Step 5: Solve for x
    x = 317,753,893.92/19,415.88
  6. Step 6: Final answer
    x = 16,365.67

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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.