Home / 12,339.94-18,512.67-3,575.52

Finding the Fourth Proportional to 12,339.94, 18,512.67 and 3,575.52

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Solution

The fourth proportional to 12,339.94, 18,512.67 and 3,575.52 is: 5,364.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.94 : 18,512.67 = 3,575.52 : x
  2. Step 2: Convert to fraction form
    12,339.94/18,512.67 = 3,575.52/x
  3. Step 3: Cross multiply
    12,339.94x = 18,512.67 × 3,575.52
  4. Step 4: Simplify right side
    12,339.94x = 66,192,421.84
  5. Step 5: Solve for x
    x = 66,192,421.84/12,339.94
  6. Step 6: Final answer
    x = 5,364.08

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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.