Home / 12,137.18-18,207.85-5,563.94

Finding the Fourth Proportional to 12,137.18, 18,207.85 and 5,563.94

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Solution

The fourth proportional to 12,137.18, 18,207.85 and 5,563.94 is: 8,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.18 : 18,207.85 = 5,563.94 : x
  2. Step 2: Convert to fraction form
    12,137.18/18,207.85 = 5,563.94/x
  3. Step 3: Cross multiply
    12,137.18x = 18,207.85 × 5,563.94
  4. Step 4: Simplify right side
    12,137.18x = 101,307,279.98
  5. Step 5: Solve for x
    x = 101,307,279.98/12,137.18
  6. Step 6: Final answer
    x = 8,346.85

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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.