Home / 13,916.03-20,874.87-4,557.03

Finding the Fourth Proportional to 13,916.03, 20,874.87 and 4,557.03

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Solution

The fourth proportional to 13,916.03, 20,874.87 and 4,557.03 is: 6,835.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.03 : 20,874.87 = 4,557.03 : x
  2. Step 2: Convert to fraction form
    13,916.03/20,874.87 = 4,557.03/x
  3. Step 3: Cross multiply
    13,916.03x = 20,874.87 × 4,557.03
  4. Step 4: Simplify right side
    13,916.03x = 95,127,408.84
  5. Step 5: Solve for x
    x = 95,127,408.84/13,916.03
  6. Step 6: Final answer
    x = 6,835.82

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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.