Home / 16,785.30-23,163.27-9,231.64

Finding the Fourth Proportional to 16,785.30, 23,163.27 and 9,231.64

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Solution

The fourth proportional to 16,785.30, 23,163.27 and 9,231.64 is: 12,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.30 : 23,163.27 = 9,231.64 : x
  2. Step 2: Convert to fraction form
    16,785.30/23,163.27 = 9,231.64/x
  3. Step 3: Cross multiply
    16,785.30x = 23,163.27 × 9,231.64
  4. Step 4: Simplify right side
    16,785.30x = 213,834,877.34
  5. Step 5: Solve for x
    x = 213,834,877.34/16,785.30
  6. Step 6: Final answer
    x = 12,739.41

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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.