Home / 12,768.87-19,171.25-6,533.36

Finding the Fourth Proportional to 12,768.87, 19,171.25 and 6,533.36

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Solution

The fourth proportional to 12,768.87, 19,171.25 and 6,533.36 is: 9,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768.87 : 19,171.25 = 6,533.36 : x
  2. Step 2: Convert to fraction form
    12,768.87/19,171.25 = 6,533.36/x
  3. Step 3: Cross multiply
    12,768.87x = 19,171.25 × 6,533.36
  4. Step 4: Simplify right side
    12,768.87x = 125,252,677.90
  5. Step 5: Solve for x
    x = 125,252,677.90/12,768.87
  6. Step 6: Final answer
    x = 9,809.22

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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.