Home / 13,277.34-19,916.01-4,518.54

Finding the Fourth Proportional to 13,277.34, 19,916.01 and 4,518.54

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Solution

The fourth proportional to 13,277.34, 19,916.01 and 4,518.54 is: 6,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.34 : 19,916.01 = 4,518.54 : x
  2. Step 2: Convert to fraction form
    13,277.34/19,916.01 = 4,518.54/x
  3. Step 3: Cross multiply
    13,277.34x = 19,916.01 × 4,518.54
  4. Step 4: Simplify right side
    13,277.34x = 89,991,287.83
  5. Step 5: Solve for x
    x = 89,991,287.83/13,277.34
  6. Step 6: Final answer
    x = 6,777.81

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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.