Home / 12,104.26-18,140.23-6,470.38

Finding the Fourth Proportional to 12,104.26, 18,140.23 and 6,470.38

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Solution

The fourth proportional to 12,104.26, 18,140.23 and 6,470.38 is: 9,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104.26 : 18,140.23 = 6,470.38 : x
  2. Step 2: Convert to fraction form
    12,104.26/18,140.23 = 6,470.38/x
  3. Step 3: Cross multiply
    12,104.26x = 18,140.23 × 6,470.38
  4. Step 4: Simplify right side
    12,104.26x = 117,374,119.86
  5. Step 5: Solve for x
    x = 117,374,119.86/12,104.26
  6. Step 6: Final answer
    x = 9,696.93

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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.