Home / 18,745.36-28,115.10-6,265.28

Finding the Fourth Proportional to 18,745.36, 28,115.10 and 6,265.28

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Solution

The fourth proportional to 18,745.36, 28,115.10 and 6,265.28 is: 9,396.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.36 : 28,115.10 = 6,265.28 : x
  2. Step 2: Convert to fraction form
    18,745.36/28,115.10 = 6,265.28/x
  3. Step 3: Cross multiply
    18,745.36x = 28,115.10 × 6,265.28
  4. Step 4: Simplify right side
    18,745.36x = 176,149,044.02
  5. Step 5: Solve for x
    x = 176,149,044.02/18,745.36
  6. Step 6: Final answer
    x = 9,396.94

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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.