Home / 11,715.66-17,580.33-4,325.31

Finding the Fourth Proportional to 11,715.66, 17,580.33 and 4,325.31

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Solution

The fourth proportional to 11,715.66, 17,580.33 and 4,325.31 is: 6,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.66 : 17,580.33 = 4,325.31 : x
  2. Step 2: Convert to fraction form
    11,715.66/17,580.33 = 4,325.31/x
  3. Step 3: Cross multiply
    11,715.66x = 17,580.33 × 4,325.31
  4. Step 4: Simplify right side
    11,715.66x = 76,040,377.15
  5. Step 5: Solve for x
    x = 76,040,377.15/11,715.66
  6. Step 6: Final answer
    x = 6,490.49

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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.