Home / 11,429.99-15,776.55-6,650.85

Finding the Fourth Proportional to 11,429.99, 15,776.55 and 6,650.85

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Solution

The fourth proportional to 11,429.99, 15,776.55 and 6,650.85 is: 9,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.99 : 15,776.55 = 6,650.85 : x
  2. Step 2: Convert to fraction form
    11,429.99/15,776.55 = 6,650.85/x
  3. Step 3: Cross multiply
    11,429.99x = 15,776.55 × 6,650.85
  4. Step 4: Simplify right side
    11,429.99x = 104,927,467.57
  5. Step 5: Solve for x
    x = 104,927,467.57/11,429.99
  6. Step 6: Final answer
    x = 9,180.02

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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.