Home / 13,703.44-18,910.67-7,415.82

Finding the Fourth Proportional to 13,703.44, 18,910.67 and 7,415.82

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Solution

The fourth proportional to 13,703.44, 18,910.67 and 7,415.82 is: 10,233.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.44 : 18,910.67 = 7,415.82 : x
  2. Step 2: Convert to fraction form
    13,703.44/18,910.67 = 7,415.82/x
  3. Step 3: Cross multiply
    13,703.44x = 18,910.67 × 7,415.82
  4. Step 4: Simplify right side
    13,703.44x = 140,238,048.79
  5. Step 5: Solve for x
    x = 140,238,048.79/13,703.44
  6. Step 6: Final answer
    x = 10,233.78

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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.