Home / 14,298.03-21,453.12-7,716.56

Finding the Fourth Proportional to 14,298.03, 21,453.12 and 7,716.56

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Solution

The fourth proportional to 14,298.03, 21,453.12 and 7,716.56 is: 11,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.03 : 21,453.12 = 7,716.56 : x
  2. Step 2: Convert to fraction form
    14,298.03/21,453.12 = 7,716.56/x
  3. Step 3: Cross multiply
    14,298.03x = 21,453.12 × 7,716.56
  4. Step 4: Simplify right side
    14,298.03x = 165,544,180.40
  5. Step 5: Solve for x
    x = 165,544,180.40/14,298.03
  6. Step 6: Final answer
    x = 11,578.11

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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.