Home / 11,405.40-17,110.73-4,831.84

Finding the Fourth Proportional to 11,405.40, 17,110.73 and 4,831.84

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Solution

The fourth proportional to 11,405.40, 17,110.73 and 4,831.84 is: 7,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.40 : 17,110.73 = 4,831.84 : x
  2. Step 2: Convert to fraction form
    11,405.40/17,110.73 = 4,831.84/x
  3. Step 3: Cross multiply
    11,405.40x = 17,110.73 × 4,831.84
  4. Step 4: Simplify right side
    11,405.40x = 82,676,309.64
  5. Step 5: Solve for x
    x = 82,676,309.64/11,405.40
  6. Step 6: Final answer
    x = 7,248.87

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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.