Home / 12,074.27-18,139.23-11,576.07

Finding the Fourth Proportional to 12,074.27, 18,139.23 and 11,576.07

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Solution

The fourth proportional to 12,074.27, 18,139.23 and 11,576.07 is: 17,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.27 : 18,139.23 = 11,576.07 : x
  2. Step 2: Convert to fraction form
    12,074.27/18,139.23 = 11,576.07/x
  3. Step 3: Cross multiply
    12,074.27x = 18,139.23 × 11,576.07
  4. Step 4: Simplify right side
    12,074.27x = 209,980,996.23
  5. Step 5: Solve for x
    x = 209,980,996.23/12,074.27
  6. Step 6: Final answer
    x = 17,390.79

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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.