Home / 13,722.24-20,616.19-8,801.49

Finding the Fourth Proportional to 13,722.24, 20,616.19 and 8,801.49

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Solution

The fourth proportional to 13,722.24, 20,616.19 and 8,801.49 is: 13,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.24 : 20,616.19 = 8,801.49 : x
  2. Step 2: Convert to fraction form
    13,722.24/20,616.19 = 8,801.49/x
  3. Step 3: Cross multiply
    13,722.24x = 20,616.19 × 8,801.49
  4. Step 4: Simplify right side
    13,722.24x = 181,453,065.04
  5. Step 5: Solve for x
    x = 181,453,065.04/13,722.24
  6. Step 6: Final answer
    x = 13,223.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.