Home / 12,738.09-19,103.46-4,417.77

Finding the Fourth Proportional to 12,738.09, 19,103.46 and 4,417.77

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Solution

The fourth proportional to 12,738.09, 19,103.46 and 4,417.77 is: 6,625.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.09 : 19,103.46 = 4,417.77 : x
  2. Step 2: Convert to fraction form
    12,738.09/19,103.46 = 4,417.77/x
  3. Step 3: Cross multiply
    12,738.09x = 19,103.46 × 4,417.77
  4. Step 4: Simplify right side
    12,738.09x = 84,394,692.48
  5. Step 5: Solve for x
    x = 84,394,692.48/12,738.09
  6. Step 6: Final answer
    x = 6,625.38

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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.