Home / 12,768.75-19,164.71-6,533.07

Finding the Fourth Proportional to 12,768.75, 19,164.71 and 6,533.07

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Solution

The fourth proportional to 12,768.75, 19,164.71 and 6,533.07 is: 9,805.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768.75 : 19,164.71 = 6,533.07 : x
  2. Step 2: Convert to fraction form
    12,768.75/19,164.71 = 6,533.07/x
  3. Step 3: Cross multiply
    12,768.75x = 19,164.71 × 6,533.07
  4. Step 4: Simplify right side
    12,768.75x = 125,204,391.96
  5. Step 5: Solve for x
    x = 125,204,391.96/12,768.75
  6. Step 6: Final answer
    x = 9,805.53

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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.