Home / 11,364.87-15,682.41-6,328.90

Finding the Fourth Proportional to 11,364.87, 15,682.41 and 6,328.90

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Solution

The fourth proportional to 11,364.87, 15,682.41 and 6,328.90 is: 8,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.87 : 15,682.41 = 6,328.90 : x
  2. Step 2: Convert to fraction form
    11,364.87/15,682.41 = 6,328.90/x
  3. Step 3: Cross multiply
    11,364.87x = 15,682.41 × 6,328.90
  4. Step 4: Simplify right side
    11,364.87x = 99,252,404.65
  5. Step 5: Solve for x
    x = 99,252,404.65/11,364.87
  6. Step 6: Final answer
    x = 8,733.26

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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.