Home / 11,286.34-16,924.95-3,888.81

Finding the Fourth Proportional to 11,286.34, 16,924.95 and 3,888.81

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Solution

The fourth proportional to 11,286.34, 16,924.95 and 3,888.81 is: 5,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.34 : 16,924.95 = 3,888.81 : x
  2. Step 2: Convert to fraction form
    11,286.34/16,924.95 = 3,888.81/x
  3. Step 3: Cross multiply
    11,286.34x = 16,924.95 × 3,888.81
  4. Step 4: Simplify right side
    11,286.34x = 65,817,914.81
  5. Step 5: Solve for x
    x = 65,817,914.81/11,286.34
  6. Step 6: Final answer
    x = 5,831.65

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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.