Home / 14,482.44-21,725.38-5,120.52

Finding the Fourth Proportional to 14,482.44, 21,725.38 and 5,120.52

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Solution

The fourth proportional to 14,482.44, 21,725.38 and 5,120.52 is: 7,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.44 : 21,725.38 = 5,120.52 : x
  2. Step 2: Convert to fraction form
    14,482.44/21,725.38 = 5,120.52/x
  3. Step 3: Cross multiply
    14,482.44x = 21,725.38 × 5,120.52
  4. Step 4: Simplify right side
    14,482.44x = 111,245,242.80
  5. Step 5: Solve for x
    x = 111,245,242.80/14,482.44
  6. Step 6: Final answer
    x = 7,681.39

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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.