Home / 22,345.36-30,837.44-13,391.04

Finding the Fourth Proportional to 22,345.36, 30,837.44 and 13,391.04

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Solution

The fourth proportional to 22,345.36, 30,837.44 and 13,391.04 is: 18,480.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345.36 : 30,837.44 = 13,391.04 : x
  2. Step 2: Convert to fraction form
    22,345.36/30,837.44 = 13,391.04/x
  3. Step 3: Cross multiply
    22,345.36x = 30,837.44 × 13,391.04
  4. Step 4: Simplify right side
    22,345.36x = 412,945,392.54
  5. Step 5: Solve for x
    x = 412,945,392.54/22,345.36
  6. Step 6: Final answer
    x = 18,480.14

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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.