Home / 14,317.85-21,453.68-7,747.13

Finding the Fourth Proportional to 14,317.85, 21,453.68 and 7,747.13

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Solution

The fourth proportional to 14,317.85, 21,453.68 and 7,747.13 is: 11,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.85 : 21,453.68 = 7,747.13 : x
  2. Step 2: Convert to fraction form
    14,317.85/21,453.68 = 7,747.13/x
  3. Step 3: Cross multiply
    14,317.85x = 21,453.68 × 7,747.13
  4. Step 4: Simplify right side
    14,317.85x = 166,204,447.94
  5. Step 5: Solve for x
    x = 166,204,447.94/14,317.85
  6. Step 6: Final answer
    x = 11,608.20

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1.5x scale

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.