Home / 12,668.37-19,009.41-5,277.93

Finding the Fourth Proportional to 12,668.37, 19,009.41 and 5,277.93

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Solution

The fourth proportional to 12,668.37, 19,009.41 and 5,277.93 is: 7,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.37 : 19,009.41 = 5,277.93 : x
  2. Step 2: Convert to fraction form
    12,668.37/19,009.41 = 5,277.93/x
  3. Step 3: Cross multiply
    12,668.37x = 19,009.41 × 5,277.93
  4. Step 4: Simplify right side
    12,668.37x = 100,330,335.32
  5. Step 5: Solve for x
    x = 100,330,335.32/12,668.37
  6. Step 6: Final answer
    x = 7,919.75

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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.