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Finding the Fourth Proportional to 12,677, 19,015.58 and 3,443.08

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Solution

The fourth proportional to 12,677, 19,015.58 and 3,443.08 is: 5,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677 : 19,015.58 = 3,443.08 : x
  2. Step 2: Convert to fraction form
    12,677/19,015.58 = 3,443.08/x
  3. Step 3: Cross multiply
    12,677x = 19,015.58 × 3,443.08
  4. Step 4: Simplify right side
    12,677x = 65,472,163.19
  5. Step 5: Solve for x
    x = 65,472,163.19/12,677
  6. Step 6: Final answer
    x = 5,164.64

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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.