Home / 16,832.21-23,215.61-12,866.45

Finding the Fourth Proportional to 16,832.21, 23,215.61 and 12,866.45

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Solution

The fourth proportional to 16,832.21, 23,215.61 and 12,866.45 is: 17,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,832.21 : 23,215.61 = 12,866.45 : x
  2. Step 2: Convert to fraction form
    16,832.21/23,215.61 = 12,866.45/x
  3. Step 3: Cross multiply
    16,832.21x = 23,215.61 × 12,866.45
  4. Step 4: Simplify right side
    16,832.21x = 298,702,401.37
  5. Step 5: Solve for x
    x = 298,702,401.37/16,832.21
  6. Step 6: Final answer
    x = 17,745.89

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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.