Home / 12,504.21-18,756.33-5,108.68

Finding the Fourth Proportional to 12,504.21, 18,756.33 and 5,108.68

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Solution

The fourth proportional to 12,504.21, 18,756.33 and 5,108.68 is: 7,663.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.21 : 18,756.33 = 5,108.68 : x
  2. Step 2: Convert to fraction form
    12,504.21/18,756.33 = 5,108.68/x
  3. Step 3: Cross multiply
    12,504.21x = 18,756.33 × 5,108.68
  4. Step 4: Simplify right side
    12,504.21x = 95,820,014.39
  5. Step 5: Solve for x
    x = 95,820,014.39/12,504.21
  6. Step 6: Final answer
    x = 7,663.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.