Home / 18,447.45-27,676.49-9,090.28

Finding the Fourth Proportional to 18,447.45, 27,676.49 and 9,090.28

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Solution

The fourth proportional to 18,447.45, 27,676.49 and 9,090.28 is: 13,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.45 : 27,676.49 = 9,090.28 : x
  2. Step 2: Convert to fraction form
    18,447.45/27,676.49 = 9,090.28/x
  3. Step 3: Cross multiply
    18,447.45x = 27,676.49 × 9,090.28
  4. Step 4: Simplify right side
    18,447.45x = 251,587,043.52
  5. Step 5: Solve for x
    x = 251,587,043.52/18,447.45
  6. Step 6: Final answer
    x = 13,638.04

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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.