Home / 11,974.56-16,539.70-8,453.50

Finding the Fourth Proportional to 11,974.56, 16,539.70 and 8,453.50

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Solution

The fourth proportional to 11,974.56, 16,539.70 and 8,453.50 is: 11,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.56 : 16,539.70 = 8,453.50 : x
  2. Step 2: Convert to fraction form
    11,974.56/16,539.70 = 8,453.50/x
  3. Step 3: Cross multiply
    11,974.56x = 16,539.70 × 8,453.50
  4. Step 4: Simplify right side
    11,974.56x = 139,818,353.95
  5. Step 5: Solve for x
    x = 139,818,353.95/11,974.56
  6. Step 6: Final answer
    x = 11,676.28

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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.