Home / 18,676.02-28,013.24-7,579.68

Finding the Fourth Proportional to 18,676.02, 28,013.24 and 7,579.68

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Solution

The fourth proportional to 18,676.02, 28,013.24 and 7,579.68 is: 11,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676.02 : 28,013.24 = 7,579.68 : x
  2. Step 2: Convert to fraction form
    18,676.02/28,013.24 = 7,579.68/x
  3. Step 3: Cross multiply
    18,676.02x = 28,013.24 × 7,579.68
  4. Step 4: Simplify right side
    18,676.02x = 212,331,394.96
  5. Step 5: Solve for x
    x = 212,331,394.96/18,676.02
  6. Step 6: Final answer
    x = 11,369.20

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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.