Home / 14,753.37-20,360.25-8,379.90

Finding the Fourth Proportional to 14,753.37, 20,360.25 and 8,379.90

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Solution

The fourth proportional to 14,753.37, 20,360.25 and 8,379.90 is: 11,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.37 : 20,360.25 = 8,379.90 : x
  2. Step 2: Convert to fraction form
    14,753.37/20,360.25 = 8,379.90/x
  3. Step 3: Cross multiply
    14,753.37x = 20,360.25 × 8,379.90
  4. Step 4: Simplify right side
    14,753.37x = 170,616,858.98
  5. Step 5: Solve for x
    x = 170,616,858.98/14,753.37
  6. Step 6: Final answer
    x = 11,564.60

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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.