Home / 10,933.40-16,396.07-3,911.51

Finding the Fourth Proportional to 10,933.40, 16,396.07 and 3,911.51

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Solution

The fourth proportional to 10,933.40, 16,396.07 and 3,911.51 is: 5,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.40 : 16,396.07 = 3,911.51 : x
  2. Step 2: Convert to fraction form
    10,933.40/16,396.07 = 3,911.51/x
  3. Step 3: Cross multiply
    10,933.40x = 16,396.07 × 3,911.51
  4. Step 4: Simplify right side
    10,933.40x = 64,133,391.77
  5. Step 5: Solve for x
    x = 64,133,391.77/10,933.40
  6. Step 6: Final answer
    x = 5,865.82

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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.