Home / 18,220.22-27,297.04-13,210.18

Finding the Fourth Proportional to 18,220.22, 27,297.04 and 13,210.18

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Solution

The fourth proportional to 18,220.22, 27,297.04 and 13,210.18 is: 19,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.22 : 27,297.04 = 13,210.18 : x
  2. Step 2: Convert to fraction form
    18,220.22/27,297.04 = 13,210.18/x
  3. Step 3: Cross multiply
    18,220.22x = 27,297.04 × 13,210.18
  4. Step 4: Simplify right side
    18,220.22x = 360,598,811.87
  5. Step 5: Solve for x
    x = 360,598,811.87/18,220.22
  6. Step 6: Final answer
    x = 19,791.13

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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.