Home / 20,648.73-30,926.25-13,152.33

Finding the Fourth Proportional to 20,648.73, 30,926.25 and 13,152.33

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Solution

The fourth proportional to 20,648.73, 30,926.25 and 13,152.33 is: 19,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,648.73 : 30,926.25 = 13,152.33 : x
  2. Step 2: Convert to fraction form
    20,648.73/30,926.25 = 13,152.33/x
  3. Step 3: Cross multiply
    20,648.73x = 30,926.25 × 13,152.33
  4. Step 4: Simplify right side
    20,648.73x = 406,752,245.66
  5. Step 5: Solve for x
    x = 406,752,245.66/20,648.73
  6. Step 6: Final answer
    x = 19,698.66

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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.