Home / 11,371.56-15,692.88-6,336.08

Finding the Fourth Proportional to 11,371.56, 15,692.88 and 6,336.08

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Solution

The fourth proportional to 11,371.56, 15,692.88 and 6,336.08 is: 8,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.56 : 15,692.88 = 6,336.08 : x
  2. Step 2: Convert to fraction form
    11,371.56/15,692.88 = 6,336.08/x
  3. Step 3: Cross multiply
    11,371.56x = 15,692.88 × 6,336.08
  4. Step 4: Simplify right side
    11,371.56x = 99,431,264.65
  5. Step 5: Solve for x
    x = 99,431,264.65/11,371.56
  6. Step 6: Final answer
    x = 8,743.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.