Home / 12,738.03-19,106.14-3,377.84

Finding the Fourth Proportional to 12,738.03, 19,106.14 and 3,377.84

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Solution

The fourth proportional to 12,738.03, 19,106.14 and 3,377.84 is: 5,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.03 : 19,106.14 = 3,377.84 : x
  2. Step 2: Convert to fraction form
    12,738.03/19,106.14 = 3,377.84/x
  3. Step 3: Cross multiply
    12,738.03x = 19,106.14 × 3,377.84
  4. Step 4: Simplify right side
    12,738.03x = 64,537,483.94
  5. Step 5: Solve for x
    x = 64,537,483.94/12,738.03
  6. Step 6: Final answer
    x = 5,066.52

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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.