Home / 12,519.87-17,277.36-6,777.33

Finding the Fourth Proportional to 12,519.87, 17,277.36 and 6,777.33

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Solution

The fourth proportional to 12,519.87, 17,277.36 and 6,777.33 is: 9,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.87 : 17,277.36 = 6,777.33 : x
  2. Step 2: Convert to fraction form
    12,519.87/17,277.36 = 6,777.33/x
  3. Step 3: Cross multiply
    12,519.87x = 17,277.36 × 6,777.33
  4. Step 4: Simplify right side
    12,519.87x = 117,094,299.10
  5. Step 5: Solve for x
    x = 117,094,299.10/12,519.87
  6. Step 6: Final answer
    x = 9,352.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.