Home / 12,673.74-18,997.42-4,770.84

Finding the Fourth Proportional to 12,673.74, 18,997.42 and 4,770.84

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Solution

The fourth proportional to 12,673.74, 18,997.42 and 4,770.84 is: 7,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.74 : 18,997.42 = 4,770.84 : x
  2. Step 2: Convert to fraction form
    12,673.74/18,997.42 = 4,770.84/x
  3. Step 3: Cross multiply
    12,673.74x = 18,997.42 × 4,770.84
  4. Step 4: Simplify right side
    12,673.74x = 90,633,627.38
  5. Step 5: Solve for x
    x = 90,633,627.38/12,673.74
  6. Step 6: Final answer
    x = 7,151.29

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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.