Home / 18,368.72-25,321.26-14,382.92

Finding the Fourth Proportional to 18,368.72, 25,321.26 and 14,382.92

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Solution

The fourth proportional to 18,368.72, 25,321.26 and 14,382.92 is: 19,826.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368.72 : 25,321.26 = 14,382.92 : x
  2. Step 2: Convert to fraction form
    18,368.72/25,321.26 = 14,382.92/x
  3. Step 3: Cross multiply
    18,368.72x = 25,321.26 × 14,382.92
  4. Step 4: Simplify right side
    18,368.72x = 364,193,550.78
  5. Step 5: Solve for x
    x = 364,193,550.78/18,368.72
  6. Step 6: Final answer
    x = 19,826.83

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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.