Home / 13,419.66-20,110.04-7,563.82

Finding the Fourth Proportional to 13,419.66, 20,110.04 and 7,563.82

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Solution

The fourth proportional to 13,419.66, 20,110.04 and 7,563.82 is: 11,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419.66 : 20,110.04 = 7,563.82 : x
  2. Step 2: Convert to fraction form
    13,419.66/20,110.04 = 7,563.82/x
  3. Step 3: Cross multiply
    13,419.66x = 20,110.04 × 7,563.82
  4. Step 4: Simplify right side
    13,419.66x = 152,108,722.75
  5. Step 5: Solve for x
    x = 152,108,722.75/13,419.66
  6. Step 6: Final answer
    x = 11,334.77

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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.