Home / 11,862.36-16,371.26-6,826.79

Finding the Fourth Proportional to 11,862.36, 16,371.26 and 6,826.79

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Solution

The fourth proportional to 11,862.36, 16,371.26 and 6,826.79 is: 9,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.36 : 16,371.26 = 6,826.79 : x
  2. Step 2: Convert to fraction form
    11,862.36/16,371.26 = 6,826.79/x
  3. Step 3: Cross multiply
    11,862.36x = 16,371.26 × 6,826.79
  4. Step 4: Simplify right side
    11,862.36x = 111,763,186.45
  5. Step 5: Solve for x
    x = 111,763,186.45/11,862.36
  6. Step 6: Final answer
    x = 9,421.67

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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.