Home / 13,090.41-18,055.44-8,048.03

Finding the Fourth Proportional to 13,090.41, 18,055.44 and 8,048.03

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Solution

The fourth proportional to 13,090.41, 18,055.44 and 8,048.03 is: 11,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.41 : 18,055.44 = 8,048.03 : x
  2. Step 2: Convert to fraction form
    13,090.41/18,055.44 = 8,048.03/x
  3. Step 3: Cross multiply
    13,090.41x = 18,055.44 × 8,048.03
  4. Step 4: Simplify right side
    13,090.41x = 145,310,632.51
  5. Step 5: Solve for x
    x = 145,310,632.51/13,090.41
  6. Step 6: Final answer
    x = 11,100.54

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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.