Home / 16,790.79-23,170.40-9,235.91

Finding the Fourth Proportional to 16,790.79, 23,170.40 and 9,235.91

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Solution

The fourth proportional to 16,790.79, 23,170.40 and 9,235.91 is: 12,745.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.79 : 23,170.40 = 9,235.91 : x
  2. Step 2: Convert to fraction form
    16,790.79/23,170.40 = 9,235.91/x
  3. Step 3: Cross multiply
    16,790.79x = 23,170.40 × 9,235.91
  4. Step 4: Simplify right side
    16,790.79x = 213,999,567.03
  5. Step 5: Solve for x
    x = 213,999,567.03/16,790.79
  6. Step 6: Final answer
    x = 12,745.06

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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.