Home / 10,916.51-16,361.06-4,669.17

Finding the Fourth Proportional to 10,916.51, 16,361.06 and 4,669.17

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Solution

The fourth proportional to 10,916.51, 16,361.06 and 4,669.17 is: 6,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.51 : 16,361.06 = 4,669.17 : x
  2. Step 2: Convert to fraction form
    10,916.51/16,361.06 = 4,669.17/x
  3. Step 3: Cross multiply
    10,916.51x = 16,361.06 × 4,669.17
  4. Step 4: Simplify right side
    10,916.51x = 76,392,608.53
  5. Step 5: Solve for x
    x = 76,392,608.53/10,916.51
  6. Step 6: Final answer
    x = 6,997.90

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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.