Home / 8,270.14-12,407.24-4,112.10

Finding the Fourth Proportional to 8,270.14, 12,407.24 and 4,112.10

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Solution

The fourth proportional to 8,270.14, 12,407.24 and 4,112.10 is: 6,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.14 : 12,407.24 = 4,112.10 : x
  2. Step 2: Convert to fraction form
    8,270.14/12,407.24 = 4,112.10/x
  3. Step 3: Cross multiply
    8,270.14x = 12,407.24 × 4,112.10
  4. Step 4: Simplify right side
    8,270.14x = 51,019,811.60
  5. Step 5: Solve for x
    x = 51,019,811.60/8,270.14
  6. Step 6: Final answer
    x = 6,169.16

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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.