Home / 12,477.03-18,712.35-3,709.95

Finding the Fourth Proportional to 12,477.03, 18,712.35 and 3,709.95

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Solution

The fourth proportional to 12,477.03, 18,712.35 and 3,709.95 is: 5,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.03 : 18,712.35 = 3,709.95 : x
  2. Step 2: Convert to fraction form
    12,477.03/18,712.35 = 3,709.95/x
  3. Step 3: Cross multiply
    12,477.03x = 18,712.35 × 3,709.95
  4. Step 4: Simplify right side
    12,477.03x = 69,421,882.88
  5. Step 5: Solve for x
    x = 69,421,882.88/12,477.03
  6. Step 6: Final answer
    x = 5,563.97

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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.