Home / 12,371.23-18,556.87-3,011.25

Finding the Fourth Proportional to 12,371.23, 18,556.87 and 3,011.25

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Solution

The fourth proportional to 12,371.23, 18,556.87 and 3,011.25 is: 4,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.23 : 18,556.87 = 3,011.25 : x
  2. Step 2: Convert to fraction form
    12,371.23/18,556.87 = 3,011.25/x
  3. Step 3: Cross multiply
    12,371.23x = 18,556.87 × 3,011.25
  4. Step 4: Simplify right side
    12,371.23x = 55,879,406.12
  5. Step 5: Solve for x
    x = 55,879,406.12/12,371.23
  6. Step 6: Final answer
    x = 4,516.88

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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.