Home / 13,650.48-18,849.36-8,623.44

Finding the Fourth Proportional to 13,650.48, 18,849.36 and 8,623.44

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Solution

The fourth proportional to 13,650.48, 18,849.36 and 8,623.44 is: 11,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.48 : 18,849.36 = 8,623.44 : x
  2. Step 2: Convert to fraction form
    13,650.48/18,849.36 = 8,623.44/x
  3. Step 3: Cross multiply
    13,650.48x = 18,849.36 × 8,623.44
  4. Step 4: Simplify right side
    13,650.48x = 162,546,325.00
  5. Step 5: Solve for x
    x = 162,546,325.00/13,650.48
  6. Step 6: Final answer
    x = 11,907.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.