Home / 11,440.50-17,084.61-11,316.79

Finding the Fourth Proportional to 11,440.50, 17,084.61 and 11,316.79

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Solution

The fourth proportional to 11,440.50, 17,084.61 and 11,316.79 is: 16,899.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.50 : 17,084.61 = 11,316.79 : x
  2. Step 2: Convert to fraction form
    11,440.50/17,084.61 = 11,316.79/x
  3. Step 3: Cross multiply
    11,440.50x = 17,084.61 × 11,316.79
  4. Step 4: Simplify right side
    11,440.50x = 193,342,943.60
  5. Step 5: Solve for x
    x = 193,342,943.60/11,440.50
  6. Step 6: Final answer
    x = 16,899.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.