Home / 16,788.40-23,168.58-9,235.30

Finding the Fourth Proportional to 16,788.40, 23,168.58 and 9,235.30

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Solution

The fourth proportional to 16,788.40, 23,168.58 and 9,235.30 is: 12,745.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788.40 : 23,168.58 = 9,235.30 : x
  2. Step 2: Convert to fraction form
    16,788.40/23,168.58 = 9,235.30/x
  3. Step 3: Cross multiply
    16,788.40x = 23,168.58 × 9,235.30
  4. Step 4: Simplify right side
    16,788.40x = 213,968,786.87
  5. Step 5: Solve for x
    x = 213,968,786.87/16,788.40
  6. Step 6: Final answer
    x = 12,745.04

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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.