Home / 18,130.26-27,196.20-4,982.76

Finding the Fourth Proportional to 18,130.26, 27,196.20 and 4,982.76

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Solution

The fourth proportional to 18,130.26, 27,196.20 and 4,982.76 is: 7,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.26 : 27,196.20 = 4,982.76 : x
  2. Step 2: Convert to fraction form
    18,130.26/27,196.20 = 4,982.76/x
  3. Step 3: Cross multiply
    18,130.26x = 27,196.20 × 4,982.76
  4. Step 4: Simplify right side
    18,130.26x = 135,512,137.51
  5. Step 5: Solve for x
    x = 135,512,137.51/18,130.26
  6. Step 6: Final answer
    x = 7,474.36

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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.