Home / 22,019.66-30,388.06-12,588.22

Finding the Fourth Proportional to 22,019.66, 30,388.06 and 12,588.22

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Solution

The fourth proportional to 22,019.66, 30,388.06 and 12,588.22 is: 17,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019.66 : 30,388.06 = 12,588.22 : x
  2. Step 2: Convert to fraction form
    22,019.66/30,388.06 = 12,588.22/x
  3. Step 3: Cross multiply
    22,019.66x = 30,388.06 × 12,588.22
  4. Step 4: Simplify right side
    22,019.66x = 382,531,584.65
  5. Step 5: Solve for x
    x = 382,531,584.65/22,019.66
  6. Step 6: Final answer
    x = 17,372.27

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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.