Home / 14,339.40-21,509.64-3,951.96

Finding the Fourth Proportional to 14,339.40, 21,509.64 and 3,951.96

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Solution

The fourth proportional to 14,339.40, 21,509.64 and 3,951.96 is: 5,928.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.40 : 21,509.64 = 3,951.96 : x
  2. Step 2: Convert to fraction form
    14,339.40/21,509.64 = 3,951.96/x
  3. Step 3: Cross multiply
    14,339.40x = 21,509.64 × 3,951.96
  4. Step 4: Simplify right side
    14,339.40x = 85,005,236.89
  5. Step 5: Solve for x
    x = 85,005,236.89/14,339.40
  6. Step 6: Final answer
    x = 5,928.09

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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.