Home / 12,581.54-18,874.08-4,263.92

Finding the Fourth Proportional to 12,581.54, 18,874.08 and 4,263.92

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Solution

The fourth proportional to 12,581.54, 18,874.08 and 4,263.92 is: 6,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.54 : 18,874.08 = 4,263.92 : x
  2. Step 2: Convert to fraction form
    12,581.54/18,874.08 = 4,263.92/x
  3. Step 3: Cross multiply
    12,581.54x = 18,874.08 × 4,263.92
  4. Step 4: Simplify right side
    12,581.54x = 80,477,567.19
  5. Step 5: Solve for x
    x = 80,477,567.19/12,581.54
  6. Step 6: Final answer
    x = 6,396.48

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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.