Home / 16,401.70-22,633.79-9,231.75

Finding the Fourth Proportional to 16,401.70, 22,633.79 and 9,231.75

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Solution

The fourth proportional to 16,401.70, 22,633.79 and 9,231.75 is: 12,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,401.70 : 22,633.79 = 9,231.75 : x
  2. Step 2: Convert to fraction form
    16,401.70/22,633.79 = 9,231.75/x
  3. Step 3: Cross multiply
    16,401.70x = 22,633.79 × 9,231.75
  4. Step 4: Simplify right side
    16,401.70x = 208,949,490.83
  5. Step 5: Solve for x
    x = 208,949,490.83/16,401.70
  6. Step 6: Final answer
    x = 12,739.50

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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.