Home / 13,380.08-20,063.51-7,834.82

Finding the Fourth Proportional to 13,380.08, 20,063.51 and 7,834.82

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Solution

The fourth proportional to 13,380.08, 20,063.51 and 7,834.82 is: 11,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.08 : 20,063.51 = 7,834.82 : x
  2. Step 2: Convert to fraction form
    13,380.08/20,063.51 = 7,834.82/x
  3. Step 3: Cross multiply
    13,380.08x = 20,063.51 × 7,834.82
  4. Step 4: Simplify right side
    13,380.08x = 157,193,950.24
  5. Step 5: Solve for x
    x = 157,193,950.24/13,380.08
  6. Step 6: Final answer
    x = 11,748.36

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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.