Home / 13,080.88-19,634.96-6,511.92

Finding the Fourth Proportional to 13,080.88, 19,634.96 and 6,511.92

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Solution

The fourth proportional to 13,080.88, 19,634.96 and 6,511.92 is: 9,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.88 : 19,634.96 = 6,511.92 : x
  2. Step 2: Convert to fraction form
    13,080.88/19,634.96 = 6,511.92/x
  3. Step 3: Cross multiply
    13,080.88x = 19,634.96 × 6,511.92
  4. Step 4: Simplify right side
    13,080.88x = 127,861,288.72
  5. Step 5: Solve for x
    x = 127,861,288.72/13,080.88
  6. Step 6: Final answer
    x = 9,774.67

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1.5x scale

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.