Home / 12,768.98-19,153.49-4,004.58

Finding the Fourth Proportional to 12,768.98, 19,153.49 and 4,004.58

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Solution

The fourth proportional to 12,768.98, 19,153.49 and 4,004.58 is: 6,006.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768.98 : 19,153.49 = 4,004.58 : x
  2. Step 2: Convert to fraction form
    12,768.98/19,153.49 = 4,004.58/x
  3. Step 3: Cross multiply
    12,768.98x = 19,153.49 × 4,004.58
  4. Step 4: Simplify right side
    12,768.98x = 76,701,662.96
  5. Step 5: Solve for x
    x = 76,701,662.96/12,768.98
  6. Step 6: Final answer
    x = 6,006.88

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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.