Home / 18,380.63-25,379.57-14,124.96

Finding the Fourth Proportional to 18,380.63, 25,379.57 and 14,124.96

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Solution

The fourth proportional to 18,380.63, 25,379.57 and 14,124.96 is: 19,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.63 : 25,379.57 = 14,124.96 : x
  2. Step 2: Convert to fraction form
    18,380.63/25,379.57 = 14,124.96/x
  3. Step 3: Cross multiply
    18,380.63x = 25,379.57 × 14,124.96
  4. Step 4: Simplify right side
    18,380.63x = 358,485,446.38
  5. Step 5: Solve for x
    x = 358,485,446.38/18,380.63
  6. Step 6: Final answer
    x = 19,503.43

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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.