Home / 14,319.90-21,480.39-3,932.46

Finding the Fourth Proportional to 14,319.90, 21,480.39 and 3,932.46

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Solution

The fourth proportional to 14,319.90, 21,480.39 and 3,932.46 is: 5,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.90 : 21,480.39 = 3,932.46 : x
  2. Step 2: Convert to fraction form
    14,319.90/21,480.39 = 3,932.46/x
  3. Step 3: Cross multiply
    14,319.90x = 21,480.39 × 3,932.46
  4. Step 4: Simplify right side
    14,319.90x = 84,470,774.46
  5. Step 5: Solve for x
    x = 84,470,774.46/14,319.90
  6. Step 6: Final answer
    x = 5,898.84

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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.