Home / 12,270.14-18,410.67-6,425.38

Finding the Fourth Proportional to 12,270.14, 18,410.67 and 6,425.38

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Solution

The fourth proportional to 12,270.14, 18,410.67 and 6,425.38 is: 9,640.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.14 : 18,410.67 = 6,425.38 : x
  2. Step 2: Convert to fraction form
    12,270.14/18,410.67 = 6,425.38/x
  3. Step 3: Cross multiply
    12,270.14x = 18,410.67 × 6,425.38
  4. Step 4: Simplify right side
    12,270.14x = 118,295,426.62
  5. Step 5: Solve for x
    x = 118,295,426.62/12,270.14
  6. Step 6: Final answer
    x = 9,640.92

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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.