Home / 12,682.75-19,032.77-4,474.75

Finding the Fourth Proportional to 12,682.75, 19,032.77 and 4,474.75

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Solution

The fourth proportional to 12,682.75, 19,032.77 and 4,474.75 is: 6,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.75 : 19,032.77 = 4,474.75 : x
  2. Step 2: Convert to fraction form
    12,682.75/19,032.77 = 4,474.75/x
  3. Step 3: Cross multiply
    12,682.75x = 19,032.77 × 4,474.75
  4. Step 4: Simplify right side
    12,682.75x = 85,166,887.56
  5. Step 5: Solve for x
    x = 85,166,887.56/12,682.75
  6. Step 6: Final answer
    x = 6,715.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.