Home / 14,790.26-20,375.87-10,305.87

Finding the Fourth Proportional to 14,790.26, 20,375.87 and 10,305.87

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Solution

The fourth proportional to 14,790.26, 20,375.87 and 10,305.87 is: 14,197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.26 : 20,375.87 = 10,305.87 : x
  2. Step 2: Convert to fraction form
    14,790.26/20,375.87 = 10,305.87/x
  3. Step 3: Cross multiply
    14,790.26x = 20,375.87 × 10,305.87
  4. Step 4: Simplify right side
    14,790.26x = 209,991,015.83
  5. Step 5: Solve for x
    x = 209,991,015.83/14,790.26
  6. Step 6: Final answer
    x = 14,197.93

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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.