Home / 22,168.93-30,588.91-13,217.26

Finding the Fourth Proportional to 22,168.93, 30,588.91 and 13,217.26

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Solution

The fourth proportional to 22,168.93, 30,588.91 and 13,217.26 is: 18,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,168.93 : 30,588.91 = 13,217.26 : x
  2. Step 2: Convert to fraction form
    22,168.93/30,588.91 = 13,217.26/x
  3. Step 3: Cross multiply
    22,168.93x = 30,588.91 × 13,217.26
  4. Step 4: Simplify right side
    22,168.93x = 404,301,576.59
  5. Step 5: Solve for x
    x = 404,301,576.59/22,168.93
  6. Step 6: Final answer
    x = 18,237.31

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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.