Home / 18,010.04-27,022.14-9,120.49

Finding the Fourth Proportional to 18,010.04, 27,022.14 and 9,120.49

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Solution

The fourth proportional to 18,010.04, 27,022.14 and 9,120.49 is: 13,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.04 : 27,022.14 = 9,120.49 : x
  2. Step 2: Convert to fraction form
    18,010.04/27,022.14 = 9,120.49/x
  3. Step 3: Cross multiply
    18,010.04x = 27,022.14 × 9,120.49
  4. Step 4: Simplify right side
    18,010.04x = 246,455,090.09
  5. Step 5: Solve for x
    x = 246,455,090.09/18,010.04
  6. Step 6: Final answer
    x = 13,684.32

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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.