Home / 11,028.77-15,219.74-6,313.06

Finding the Fourth Proportional to 11,028.77, 15,219.74 and 6,313.06

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Solution

The fourth proportional to 11,028.77, 15,219.74 and 6,313.06 is: 8,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.77 : 15,219.74 = 6,313.06 : x
  2. Step 2: Convert to fraction form
    11,028.77/15,219.74 = 6,313.06/x
  3. Step 3: Cross multiply
    11,028.77x = 15,219.74 × 6,313.06
  4. Step 4: Simplify right side
    11,028.77x = 96,083,109.54
  5. Step 5: Solve for x
    x = 96,083,109.54/11,028.77
  6. Step 6: Final answer
    x = 8,712.04

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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.