Home / 9,185.10-12,671.10-6,201.90

Finding the Fourth Proportional to 9,185.10, 12,671.10 and 6,201.90

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Solution

The fourth proportional to 9,185.10, 12,671.10 and 6,201.90 is: 8,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.10 : 12,671.10 = 6,201.90 : x
  2. Step 2: Convert to fraction form
    9,185.10/12,671.10 = 6,201.90/x
  3. Step 3: Cross multiply
    9,185.10x = 12,671.10 × 6,201.90
  4. Step 4: Simplify right side
    9,185.10x = 78,584,895.09
  5. Step 5: Solve for x
    x = 78,584,895.09/9,185.10
  6. Step 6: Final answer
    x = 8,555.69

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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.