Home / 12,968.74-19,455.39-5,369.94

Finding the Fourth Proportional to 12,968.74, 19,455.39 and 5,369.94

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Solution

The fourth proportional to 12,968.74, 19,455.39 and 5,369.94 is: 8,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.74 : 19,455.39 = 5,369.94 : x
  2. Step 2: Convert to fraction form
    12,968.74/19,455.39 = 5,369.94/x
  3. Step 3: Cross multiply
    12,968.74x = 19,455.39 × 5,369.94
  4. Step 4: Simplify right side
    12,968.74x = 104,474,276.98
  5. Step 5: Solve for x
    x = 104,474,276.98/12,968.74
  6. Step 6: Final answer
    x = 8,055.85

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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.