Home / 14,619.88-21,927.75-4,759.30

Finding the Fourth Proportional to 14,619.88, 21,927.75 and 4,759.30

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Solution

The fourth proportional to 14,619.88, 21,927.75 and 4,759.30 is: 7,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.88 : 21,927.75 = 4,759.30 : x
  2. Step 2: Convert to fraction form
    14,619.88/21,927.75 = 4,759.30/x
  3. Step 3: Cross multiply
    14,619.88x = 21,927.75 × 4,759.30
  4. Step 4: Simplify right side
    14,619.88x = 104,360,740.58
  5. Step 5: Solve for x
    x = 104,360,740.58/14,619.88
  6. Step 6: Final answer
    x = 7,138.28

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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.