Home / 11,728.26-16,184.82-6,423.06

Finding the Fourth Proportional to 11,728.26, 16,184.82 and 6,423.06

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Solution

The fourth proportional to 11,728.26, 16,184.82 and 6,423.06 is: 8,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.26 : 16,184.82 = 6,423.06 : x
  2. Step 2: Convert to fraction form
    11,728.26/16,184.82 = 6,423.06/x
  3. Step 3: Cross multiply
    11,728.26x = 16,184.82 × 6,423.06
  4. Step 4: Simplify right side
    11,728.26x = 103,956,069.95
  5. Step 5: Solve for x
    x = 103,956,069.95/11,728.26
  6. Step 6: Final answer
    x = 8,863.72

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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.