Home / 13,951.34-20,927.06-3,421.43

Finding the Fourth Proportional to 13,951.34, 20,927.06 and 3,421.43

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Solution

The fourth proportional to 13,951.34, 20,927.06 and 3,421.43 is: 5,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.34 : 20,927.06 = 3,421.43 : x
  2. Step 2: Convert to fraction form
    13,951.34/20,927.06 = 3,421.43/x
  3. Step 3: Cross multiply
    13,951.34x = 20,927.06 × 3,421.43
  4. Step 4: Simplify right side
    13,951.34x = 71,600,349.15
  5. Step 5: Solve for x
    x = 71,600,349.15/13,951.34
  6. Step 6: Final answer
    x = 5,132.15

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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.