Home / 12,928.37-19,392.35-7,369.85

Finding the Fourth Proportional to 12,928.37, 19,392.35 and 7,369.85

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Solution

The fourth proportional to 12,928.37, 19,392.35 and 7,369.85 is: 11,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928.37 : 19,392.35 = 7,369.85 : x
  2. Step 2: Convert to fraction form
    12,928.37/19,392.35 = 7,369.85/x
  3. Step 3: Cross multiply
    12,928.37x = 19,392.35 × 7,369.85
  4. Step 4: Simplify right side
    12,928.37x = 142,918,722.28
  5. Step 5: Solve for x
    x = 142,918,722.28/12,928.37
  6. Step 6: Final answer
    x = 11,054.66

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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.