Home / 14,619.33-21,929.40-4,759.20

Finding the Fourth Proportional to 14,619.33, 21,929.40 and 4,759.20

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Solution

The fourth proportional to 14,619.33, 21,929.40 and 4,759.20 is: 7,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.33 : 21,929.40 = 4,759.20 : x
  2. Step 2: Convert to fraction form
    14,619.33/21,929.40 = 4,759.20/x
  3. Step 3: Cross multiply
    14,619.33x = 21,929.40 × 4,759.20
  4. Step 4: Simplify right side
    14,619.33x = 104,366,400.48
  5. Step 5: Solve for x
    x = 104,366,400.48/14,619.33
  6. Step 6: Final answer
    x = 7,138.93

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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.