Home / 22,274.37-30,733.56-13,320.36

Finding the Fourth Proportional to 22,274.37, 30,733.56 and 13,320.36

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Solution

The fourth proportional to 22,274.37, 30,733.56 and 13,320.36 is: 18,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.37 : 30,733.56 = 13,320.36 : x
  2. Step 2: Convert to fraction form
    22,274.37/30,733.56 = 13,320.36/x
  3. Step 3: Cross multiply
    22,274.37x = 30,733.56 × 13,320.36
  4. Step 4: Simplify right side
    22,274.37x = 409,382,083.28
  5. Step 5: Solve for x
    x = 409,382,083.28/22,274.37
  6. Step 6: Final answer
    x = 18,379.06

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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.