Home / 16,912.80-23,339.75-9,839.48

Finding the Fourth Proportional to 16,912.80, 23,339.75 and 9,839.48

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Solution

The fourth proportional to 16,912.80, 23,339.75 and 9,839.48 is: 13,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.80 : 23,339.75 = 9,839.48 : x
  2. Step 2: Convert to fraction form
    16,912.80/23,339.75 = 9,839.48/x
  3. Step 3: Cross multiply
    16,912.80x = 23,339.75 × 9,839.48
  4. Step 4: Simplify right side
    16,912.80x = 229,650,837.43
  5. Step 5: Solve for x
    x = 229,650,837.43/16,912.80
  6. Step 6: Final answer
    x = 13,578.52

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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.