Home / 12,254.85-16,911.69-6,949.67

Finding the Fourth Proportional to 12,254.85, 16,911.69 and 6,949.67

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Solution

The fourth proportional to 12,254.85, 16,911.69 and 6,949.67 is: 9,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.85 : 16,911.69 = 6,949.67 : x
  2. Step 2: Convert to fraction form
    12,254.85/16,911.69 = 6,949.67/x
  3. Step 3: Cross multiply
    12,254.85x = 16,911.69 × 6,949.67
  4. Step 4: Simplify right side
    12,254.85x = 117,530,580.08
  5. Step 5: Solve for x
    x = 117,530,580.08/12,254.85
  6. Step 6: Final answer
    x = 9,590.54

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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.