Home / 14,490.70-21,745.20-6,170.72

Finding the Fourth Proportional to 14,490.70, 21,745.20 and 6,170.72

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Solution

The fourth proportional to 14,490.70, 21,745.20 and 6,170.72 is: 9,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.70 : 21,745.20 = 6,170.72 : x
  2. Step 2: Convert to fraction form
    14,490.70/21,745.20 = 6,170.72/x
  3. Step 3: Cross multiply
    14,490.70x = 21,745.20 × 6,170.72
  4. Step 4: Simplify right side
    14,490.70x = 134,183,540.54
  5. Step 5: Solve for x
    x = 134,183,540.54/14,490.70
  6. Step 6: Final answer
    x = 9,259.98

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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.