Home / 11,018.92-15,202.41-6,238.21

Finding the Fourth Proportional to 11,018.92, 15,202.41 and 6,238.21

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Solution

The fourth proportional to 11,018.92, 15,202.41 and 6,238.21 is: 8,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.92 : 15,202.41 = 6,238.21 : x
  2. Step 2: Convert to fraction form
    11,018.92/15,202.41 = 6,238.21/x
  3. Step 3: Cross multiply
    11,018.92x = 15,202.41 × 6,238.21
  4. Step 4: Simplify right side
    11,018.92x = 94,835,826.09
  5. Step 5: Solve for x
    x = 94,835,826.09/11,018.92
  6. Step 6: Final answer
    x = 8,606.64

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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.