Home / 11,327.98-16,977.99-8,218.66

Finding the Fourth Proportional to 11,327.98, 16,977.99 and 8,218.66

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Solution

The fourth proportional to 11,327.98, 16,977.99 and 8,218.66 is: 12,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.98 : 16,977.99 = 8,218.66 : x
  2. Step 2: Convert to fraction form
    11,327.98/16,977.99 = 8,218.66/x
  3. Step 3: Cross multiply
    11,327.98x = 16,977.99 × 8,218.66
  4. Step 4: Simplify right side
    11,327.98x = 139,536,327.29
  5. Step 5: Solve for x
    x = 139,536,327.29/11,327.98
  6. Step 6: Final answer
    x = 12,317.85

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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.