Home / 16,789.29-23,169.18-9,235.74

Finding the Fourth Proportional to 16,789.29, 23,169.18 and 9,235.74

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Solution

The fourth proportional to 16,789.29, 23,169.18 and 9,235.74 is: 12,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.29 : 23,169.18 = 9,235.74 : x
  2. Step 2: Convert to fraction form
    16,789.29/23,169.18 = 9,235.74/x
  3. Step 3: Cross multiply
    16,789.29x = 23,169.18 × 9,235.74
  4. Step 4: Simplify right side
    16,789.29x = 213,984,522.49
  5. Step 5: Solve for x
    x = 213,984,522.49/16,789.29
  6. Step 6: Final answer
    x = 12,745.30

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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.