Home / 13,916.34-20,874.78-4,055.67

Finding the Fourth Proportional to 13,916.34, 20,874.78 and 4,055.67

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Solution

The fourth proportional to 13,916.34, 20,874.78 and 4,055.67 is: 6,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.34 : 20,874.78 = 4,055.67 : x
  2. Step 2: Convert to fraction form
    13,916.34/20,874.78 = 4,055.67/x
  3. Step 3: Cross multiply
    13,916.34x = 20,874.78 × 4,055.67
  4. Step 4: Simplify right side
    13,916.34x = 84,661,219.00
  5. Step 5: Solve for x
    x = 84,661,219.00/13,916.34
  6. Step 6: Final answer
    x = 6,083.58

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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.