Home / 12,738.25-19,102.74-4,416.04

Finding the Fourth Proportional to 12,738.25, 19,102.74 and 4,416.04

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Solution

The fourth proportional to 12,738.25, 19,102.74 and 4,416.04 is: 6,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.25 : 19,102.74 = 4,416.04 : x
  2. Step 2: Convert to fraction form
    12,738.25/19,102.74 = 4,416.04/x
  3. Step 3: Cross multiply
    12,738.25x = 19,102.74 × 4,416.04
  4. Step 4: Simplify right side
    12,738.25x = 84,358,463.95
  5. Step 5: Solve for x
    x = 84,358,463.95/12,738.25
  6. Step 6: Final answer
    x = 6,622.45

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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.