Home / 13,515.31-20,269.69-6,014.81

Finding the Fourth Proportional to 13,515.31, 20,269.69 and 6,014.81

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Solution

The fourth proportional to 13,515.31, 20,269.69 and 6,014.81 is: 9,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515.31 : 20,269.69 = 6,014.81 : x
  2. Step 2: Convert to fraction form
    13,515.31/20,269.69 = 6,014.81/x
  3. Step 3: Cross multiply
    13,515.31x = 20,269.69 × 6,014.81
  4. Step 4: Simplify right side
    13,515.31x = 121,918,289.56
  5. Step 5: Solve for x
    x = 121,918,289.56/13,515.31
  6. Step 6: Final answer
    x = 9,020.76

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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.