Home / 18,205.13-27,164.91-17,090.57

Finding the Fourth Proportional to 18,205.13, 27,164.91 and 17,090.57

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Solution

The fourth proportional to 18,205.13, 27,164.91 and 17,090.57 is: 25,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.13 : 27,164.91 = 17,090.57 : x
  2. Step 2: Convert to fraction form
    18,205.13/27,164.91 = 17,090.57/x
  3. Step 3: Cross multiply
    18,205.13x = 27,164.91 × 17,090.57
  4. Step 4: Simplify right side
    18,205.13x = 464,263,710.45
  5. Step 5: Solve for x
    x = 464,263,710.45/18,205.13
  6. Step 6: Final answer
    x = 25,501.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.