Home / 11,680.99-17,511.07-4,283.72

Finding the Fourth Proportional to 11,680.99, 17,511.07 and 4,283.72

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Solution

The fourth proportional to 11,680.99, 17,511.07 and 4,283.72 is: 6,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.99 : 17,511.07 = 4,283.72 : x
  2. Step 2: Convert to fraction form
    11,680.99/17,511.07 = 4,283.72/x
  3. Step 3: Cross multiply
    11,680.99x = 17,511.07 × 4,283.72
  4. Step 4: Simplify right side
    11,680.99x = 75,012,499.36
  5. Step 5: Solve for x
    x = 75,012,499.36/11,680.99
  6. Step 6: Final answer
    x = 6,421.76

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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.