Home / 14,755.06-20,360.19-8,379.37

Finding the Fourth Proportional to 14,755.06, 20,360.19 and 8,379.37

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Solution

The fourth proportional to 14,755.06, 20,360.19 and 8,379.37 is: 11,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,755.06 : 20,360.19 = 8,379.37 : x
  2. Step 2: Convert to fraction form
    14,755.06/20,360.19 = 8,379.37/x
  3. Step 3: Cross multiply
    14,755.06x = 20,360.19 × 8,379.37
  4. Step 4: Simplify right side
    14,755.06x = 170,605,565.28
  5. Step 5: Solve for x
    x = 170,605,565.28/14,755.06
  6. Step 6: Final answer
    x = 11,562.51

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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.