Home / 18,447.58-27,676.68-9,090.41

Finding the Fourth Proportional to 18,447.58, 27,676.68 and 9,090.41

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Solution

The fourth proportional to 18,447.58, 27,676.68 and 9,090.41 is: 13,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.58 : 27,676.68 = 9,090.41 : x
  2. Step 2: Convert to fraction form
    18,447.58/27,676.68 = 9,090.41/x
  3. Step 3: Cross multiply
    18,447.58x = 27,676.68 × 9,090.41
  4. Step 4: Simplify right side
    18,447.58x = 251,592,368.64
  5. Step 5: Solve for x
    x = 251,592,368.64/18,447.58
  6. Step 6: Final answer
    x = 13,638.23

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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.