Home / 16,828.70-23,198.25-13,839.35

Finding the Fourth Proportional to 16,828.70, 23,198.25 and 13,839.35

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Solution

The fourth proportional to 16,828.70, 23,198.25 and 13,839.35 is: 19,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.70 : 23,198.25 = 13,839.35 : x
  2. Step 2: Convert to fraction form
    16,828.70/23,198.25 = 13,839.35/x
  3. Step 3: Cross multiply
    16,828.70x = 23,198.25 × 13,839.35
  4. Step 4: Simplify right side
    16,828.70x = 321,048,701.14
  5. Step 5: Solve for x
    x = 321,048,701.14/16,828.70
  6. Step 6: Final answer
    x = 19,077.45

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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.