Home / 13,391.88-20,082.69-4,624.44

Finding the Fourth Proportional to 13,391.88, 20,082.69 and 4,624.44

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Solution

The fourth proportional to 13,391.88, 20,082.69 and 4,624.44 is: 6,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391.88 : 20,082.69 = 4,624.44 : x
  2. Step 2: Convert to fraction form
    13,391.88/20,082.69 = 4,624.44/x
  3. Step 3: Cross multiply
    13,391.88x = 20,082.69 × 4,624.44
  4. Step 4: Simplify right side
    13,391.88x = 92,871,194.94
  5. Step 5: Solve for x
    x = 92,871,194.94/13,391.88
  6. Step 6: Final answer
    x = 6,934.89

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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.