Home / 11,126.26-16,688.78-2,806.28

Finding the Fourth Proportional to 11,126.26, 16,688.78 and 2,806.28

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Solution

The fourth proportional to 11,126.26, 16,688.78 and 2,806.28 is: 4,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.26 : 16,688.78 = 2,806.28 : x
  2. Step 2: Convert to fraction form
    11,126.26/16,688.78 = 2,806.28/x
  3. Step 3: Cross multiply
    11,126.26x = 16,688.78 × 2,806.28
  4. Step 4: Simplify right side
    11,126.26x = 46,833,292.06
  5. Step 5: Solve for x
    x = 46,833,292.06/11,126.26
  6. Step 6: Final answer
    x = 4,209.26

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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.