Home / 12,669.71-19,004.95-4,349.61

Finding the Fourth Proportional to 12,669.71, 19,004.95 and 4,349.61

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Solution

The fourth proportional to 12,669.71, 19,004.95 and 4,349.61 is: 6,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669.71 : 19,004.95 = 4,349.61 : x
  2. Step 2: Convert to fraction form
    12,669.71/19,004.95 = 4,349.61/x
  3. Step 3: Cross multiply
    12,669.71x = 19,004.95 × 4,349.61
  4. Step 4: Simplify right side
    12,669.71x = 82,664,120.57
  5. Step 5: Solve for x
    x = 82,664,120.57/12,669.71
  6. Step 6: Final answer
    x = 6,524.55

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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.