Home / 16,828.80-23,223.72-9,376.80

Finding the Fourth Proportional to 16,828.80, 23,223.72 and 9,376.80

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Solution

The fourth proportional to 16,828.80, 23,223.72 and 9,376.80 is: 12,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.80 : 23,223.72 = 9,376.80 : x
  2. Step 2: Convert to fraction form
    16,828.80/23,223.72 = 9,376.80/x
  3. Step 3: Cross multiply
    16,828.80x = 23,223.72 × 9,376.80
  4. Step 4: Simplify right side
    16,828.80x = 217,764,177.70
  5. Step 5: Solve for x
    x = 217,764,177.70/16,828.80
  6. Step 6: Final answer
    x = 12,939.97

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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.