Home / 14,619.56-21,929.34-4,759.84

Finding the Fourth Proportional to 14,619.56, 21,929.34 and 4,759.84

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Solution

The fourth proportional to 14,619.56, 21,929.34 and 4,759.84 is: 7,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.56 : 21,929.34 = 4,759.84 : x
  2. Step 2: Convert to fraction form
    14,619.56/21,929.34 = 4,759.84/x
  3. Step 3: Cross multiply
    14,619.56x = 21,929.34 × 4,759.84
  4. Step 4: Simplify right side
    14,619.56x = 104,380,149.71
  5. Step 5: Solve for x
    x = 104,380,149.71/14,619.56
  6. Step 6: Final answer
    x = 7,139.76

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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.