Home / 12,956.45-19,433.75-3,468.51

Finding the Fourth Proportional to 12,956.45, 19,433.75 and 3,468.51

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Solution

The fourth proportional to 12,956.45, 19,433.75 and 3,468.51 is: 5,202.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956.45 : 19,433.75 = 3,468.51 : x
  2. Step 2: Convert to fraction form
    12,956.45/19,433.75 = 3,468.51/x
  3. Step 3: Cross multiply
    12,956.45x = 19,433.75 × 3,468.51
  4. Step 4: Simplify right side
    12,956.45x = 67,406,138.87
  5. Step 5: Solve for x
    x = 67,406,138.87/12,956.45
  6. Step 6: Final answer
    x = 5,202.52

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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.