Home / 14,640.75-21,958.70-6,325.29

Finding the Fourth Proportional to 14,640.75, 21,958.70 and 6,325.29

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Solution

The fourth proportional to 14,640.75, 21,958.70 and 6,325.29 is: 9,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.75 : 21,958.70 = 6,325.29 : x
  2. Step 2: Convert to fraction form
    14,640.75/21,958.70 = 6,325.29/x
  3. Step 3: Cross multiply
    14,640.75x = 21,958.70 × 6,325.29
  4. Step 4: Simplify right side
    14,640.75x = 138,895,113.90
  5. Step 5: Solve for x
    x = 138,895,113.90/14,640.75
  6. Step 6: Final answer
    x = 9,486.89

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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.