Home / 11,863.18-16,370.10-6,826.06

Finding the Fourth Proportional to 11,863.18, 16,370.10 and 6,826.06

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Solution

The fourth proportional to 11,863.18, 16,370.10 and 6,826.06 is: 9,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.18 : 16,370.10 = 6,826.06 : x
  2. Step 2: Convert to fraction form
    11,863.18/16,370.10 = 6,826.06/x
  3. Step 3: Cross multiply
    11,863.18x = 16,370.10 × 6,826.06
  4. Step 4: Simplify right side
    11,863.18x = 111,743,284.81
  5. Step 5: Solve for x
    x = 111,743,284.81/11,863.18
  6. Step 6: Final answer
    x = 9,419.34

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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.