Home / 14,258.36-21,379.71-4,394.90

Finding the Fourth Proportional to 14,258.36, 21,379.71 and 4,394.90

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Solution

The fourth proportional to 14,258.36, 21,379.71 and 4,394.90 is: 6,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.36 : 21,379.71 = 4,394.90 : x
  2. Step 2: Convert to fraction form
    14,258.36/21,379.71 = 4,394.90/x
  3. Step 3: Cross multiply
    14,258.36x = 21,379.71 × 4,394.90
  4. Step 4: Simplify right side
    14,258.36x = 93,961,687.48
  5. Step 5: Solve for x
    x = 93,961,687.48/14,258.36
  6. Step 6: Final answer
    x = 6,589.94

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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.