Home / 12,277.07-18,415.61-3,511.99

Finding the Fourth Proportional to 12,277.07, 18,415.61 and 3,511.99

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Solution

The fourth proportional to 12,277.07, 18,415.61 and 3,511.99 is: 5,267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.07 : 18,415.61 = 3,511.99 : x
  2. Step 2: Convert to fraction form
    12,277.07/18,415.61 = 3,511.99/x
  3. Step 3: Cross multiply
    12,277.07x = 18,415.61 × 3,511.99
  4. Step 4: Simplify right side
    12,277.07x = 64,675,424.75
  5. Step 5: Solve for x
    x = 64,675,424.75/12,277.07
  6. Step 6: Final answer
    x = 5,267.98

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Similar ratio
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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.