Home / 13,944.12-20,916.64-5,054.96

Finding the Fourth Proportional to 13,944.12, 20,916.64 and 5,054.96

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Solution

The fourth proportional to 13,944.12, 20,916.64 and 5,054.96 is: 7,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.12 : 20,916.64 = 5,054.96 : x
  2. Step 2: Convert to fraction form
    13,944.12/20,916.64 = 5,054.96/x
  3. Step 3: Cross multiply
    13,944.12x = 20,916.64 × 5,054.96
  4. Step 4: Simplify right side
    13,944.12x = 105,732,778.53
  5. Step 5: Solve for x
    x = 105,732,778.53/13,944.12
  6. Step 6: Final answer
    x = 7,582.61

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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.