Home / 14,480.37-19,982.50-8,511.68

Finding the Fourth Proportional to 14,480.37, 19,982.50 and 8,511.68

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Solution

The fourth proportional to 14,480.37, 19,982.50 and 8,511.68 is: 11,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.37 : 19,982.50 = 8,511.68 : x
  2. Step 2: Convert to fraction form
    14,480.37/19,982.50 = 8,511.68/x
  3. Step 3: Cross multiply
    14,480.37x = 19,982.50 × 8,511.68
  4. Step 4: Simplify right side
    14,480.37x = 170,084,674.28
  5. Step 5: Solve for x
    x = 170,084,674.28/14,480.37
  6. Step 6: Final answer
    x = 11,745.88

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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.