Home / 13,583.09-20,377.68-6,185.57

Finding the Fourth Proportional to 13,583.09, 20,377.68 and 6,185.57

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Solution

The fourth proportional to 13,583.09, 20,377.68 and 6,185.57 is: 9,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.09 : 20,377.68 = 6,185.57 : x
  2. Step 2: Convert to fraction form
    13,583.09/20,377.68 = 6,185.57/x
  3. Step 3: Cross multiply
    13,583.09x = 20,377.68 × 6,185.57
  4. Step 4: Simplify right side
    13,583.09x = 126,047,440.99
  5. Step 5: Solve for x
    x = 126,047,440.99/13,583.09
  6. Step 6: Final answer
    x = 9,279.73

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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.