Home / 22,127.70-30,522.27-13,168.51

Finding the Fourth Proportional to 22,127.70, 30,522.27 and 13,168.51

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Solution

The fourth proportional to 22,127.70, 30,522.27 and 13,168.51 is: 18,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.70 : 30,522.27 = 13,168.51 : x
  2. Step 2: Convert to fraction form
    22,127.70/30,522.27 = 13,168.51/x
  3. Step 3: Cross multiply
    22,127.70x = 30,522.27 × 13,168.51
  4. Step 4: Simplify right side
    22,127.70x = 401,932,751.88
  5. Step 5: Solve for x
    x = 401,932,751.88/22,127.70
  6. Step 6: Final answer
    x = 18,164.24

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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.