Home / 14,212.45-19,609.86-8,240.73

Finding the Fourth Proportional to 14,212.45, 19,609.86 and 8,240.73

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Solution

The fourth proportional to 14,212.45, 19,609.86 and 8,240.73 is: 11,370.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.45 : 19,609.86 = 8,240.73 : x
  2. Step 2: Convert to fraction form
    14,212.45/19,609.86 = 8,240.73/x
  3. Step 3: Cross multiply
    14,212.45x = 19,609.86 × 8,240.73
  4. Step 4: Simplify right side
    14,212.45x = 161,599,561.60
  5. Step 5: Solve for x
    x = 161,599,561.60/14,212.45
  6. Step 6: Final answer
    x = 11,370.28

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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.