Home / 12,163.23-16,785.36-6,858.18

Finding the Fourth Proportional to 12,163.23, 16,785.36 and 6,858.18

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Solution

The fourth proportional to 12,163.23, 16,785.36 and 6,858.18 is: 9,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.23 : 16,785.36 = 6,858.18 : x
  2. Step 2: Convert to fraction form
    12,163.23/16,785.36 = 6,858.18/x
  3. Step 3: Cross multiply
    12,163.23x = 16,785.36 × 6,858.18
  4. Step 4: Simplify right side
    12,163.23x = 115,117,020.24
  5. Step 5: Solve for x
    x = 115,117,020.24/12,163.23
  6. Step 6: Final answer
    x = 9,464.35

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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.