Home / 14,273.69-21,412.44-13,486.73

Finding the Fourth Proportional to 14,273.69, 21,412.44 and 13,486.73

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Solution

The fourth proportional to 14,273.69, 21,412.44 and 13,486.73 is: 20,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.69 : 21,412.44 = 13,486.73 : x
  2. Step 2: Convert to fraction form
    14,273.69/21,412.44 = 13,486.73/x
  3. Step 3: Cross multiply
    14,273.69x = 21,412.44 × 13,486.73
  4. Step 4: Simplify right side
    14,273.69x = 288,783,689.86
  5. Step 5: Solve for x
    x = 288,783,689.86/14,273.69
  6. Step 6: Final answer
    x = 20,231.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.