Home / 13,620.27-18,797.34-9,153.33

Finding the Fourth Proportional to 13,620.27, 18,797.34 and 9,153.33

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Solution

The fourth proportional to 13,620.27, 18,797.34 and 9,153.33 is: 12,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620.27 : 18,797.34 = 9,153.33 : x
  2. Step 2: Convert to fraction form
    13,620.27/18,797.34 = 9,153.33/x
  3. Step 3: Cross multiply
    13,620.27x = 18,797.34 × 9,153.33
  4. Step 4: Simplify right side
    13,620.27x = 172,058,256.14
  5. Step 5: Solve for x
    x = 172,058,256.14/13,620.27
  6. Step 6: Final answer
    x = 12,632.51

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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.