Home / 11,349.39-17,018.73-4,228.81

Finding the Fourth Proportional to 11,349.39, 17,018.73 and 4,228.81

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Solution

The fourth proportional to 11,349.39, 17,018.73 and 4,228.81 is: 6,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.39 : 17,018.73 = 4,228.81 : x
  2. Step 2: Convert to fraction form
    11,349.39/17,018.73 = 4,228.81/x
  3. Step 3: Cross multiply
    11,349.39x = 17,018.73 × 4,228.81
  4. Step 4: Simplify right side
    11,349.39x = 71,968,944.96
  5. Step 5: Solve for x
    x = 71,968,944.96/11,349.39
  6. Step 6: Final answer
    x = 6,341.22

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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.