Home / 11,316.41-16,975.52-4,299.78

Finding the Fourth Proportional to 11,316.41, 16,975.52 and 4,299.78

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Solution

The fourth proportional to 11,316.41, 16,975.52 and 4,299.78 is: 6,450.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.41 : 16,975.52 = 4,299.78 : x
  2. Step 2: Convert to fraction form
    11,316.41/16,975.52 = 4,299.78/x
  3. Step 3: Cross multiply
    11,316.41x = 16,975.52 × 4,299.78
  4. Step 4: Simplify right side
    11,316.41x = 72,990,979.89
  5. Step 5: Solve for x
    x = 72,990,979.89/11,316.41
  6. Step 6: Final answer
    x = 6,450.01

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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.