Home / 12,910.76-19,366.25-5,511.41

Finding the Fourth Proportional to 12,910.76, 19,366.25 and 5,511.41

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Solution

The fourth proportional to 12,910.76, 19,366.25 and 5,511.41 is: 8,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.76 : 19,366.25 = 5,511.41 : x
  2. Step 2: Convert to fraction form
    12,910.76/19,366.25 = 5,511.41/x
  3. Step 3: Cross multiply
    12,910.76x = 19,366.25 × 5,511.41
  4. Step 4: Simplify right side
    12,910.76x = 106,735,316.36
  5. Step 5: Solve for x
    x = 106,735,316.36/12,910.76
  6. Step 6: Final answer
    x = 8,267.16

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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.