Home / 16,685.44-23,021.36-9,786.57

Finding the Fourth Proportional to 16,685.44, 23,021.36 and 9,786.57

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Solution

The fourth proportional to 16,685.44, 23,021.36 and 9,786.57 is: 13,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.44 : 23,021.36 = 9,786.57 : x
  2. Step 2: Convert to fraction form
    16,685.44/23,021.36 = 9,786.57/x
  3. Step 3: Cross multiply
    16,685.44x = 23,021.36 × 9,786.57
  4. Step 4: Simplify right side
    16,685.44x = 225,300,102.20
  5. Step 5: Solve for x
    x = 225,300,102.20/16,685.44
  6. Step 6: Final answer
    x = 13,502.80

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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.