Home / 12,742.98-19,110.13-4,843.59

Finding the Fourth Proportional to 12,742.98, 19,110.13 and 4,843.59

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Solution

The fourth proportional to 12,742.98, 19,110.13 and 4,843.59 is: 7,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742.98 : 19,110.13 = 4,843.59 : x
  2. Step 2: Convert to fraction form
    12,742.98/19,110.13 = 4,843.59/x
  3. Step 3: Cross multiply
    12,742.98x = 19,110.13 × 4,843.59
  4. Step 4: Simplify right side
    12,742.98x = 92,561,550.79
  5. Step 5: Solve for x
    x = 92,561,550.79/12,742.98
  6. Step 6: Final answer
    x = 7,263.73

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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.