Home / 10,954.94-16,420.07-5,396.51

Finding the Fourth Proportional to 10,954.94, 16,420.07 and 5,396.51

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Solution

The fourth proportional to 10,954.94, 16,420.07 and 5,396.51 is: 8,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.94 : 16,420.07 = 5,396.51 : x
  2. Step 2: Convert to fraction form
    10,954.94/16,420.07 = 5,396.51/x
  3. Step 3: Cross multiply
    10,954.94x = 16,420.07 × 5,396.51
  4. Step 4: Simplify right side
    10,954.94x = 88,610,962.87
  5. Step 5: Solve for x
    x = 88,610,962.87/10,954.94
  6. Step 6: Final answer
    x = 8,088.68

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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.