Home / 14,203.75-19,601.25-8,238.95

Finding the Fourth Proportional to 14,203.75, 19,601.25 and 8,238.95

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Solution

The fourth proportional to 14,203.75, 19,601.25 and 8,238.95 is: 11,369.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.75 : 19,601.25 = 8,238.95 : x
  2. Step 2: Convert to fraction form
    14,203.75/19,601.25 = 8,238.95/x
  3. Step 3: Cross multiply
    14,203.75x = 19,601.25 × 8,238.95
  4. Step 4: Simplify right side
    14,203.75x = 161,493,718.69
  5. Step 5: Solve for x
    x = 161,493,718.69/14,203.75
  6. Step 6: Final answer
    x = 11,369.79

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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.