Home / 14,653.02-21,982.36-4,789.64

Finding the Fourth Proportional to 14,653.02, 21,982.36 and 4,789.64

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Solution

The fourth proportional to 14,653.02, 21,982.36 and 4,789.64 is: 7,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653.02 : 21,982.36 = 4,789.64 : x
  2. Step 2: Convert to fraction form
    14,653.02/21,982.36 = 4,789.64/x
  3. Step 3: Cross multiply
    14,653.02x = 21,982.36 × 4,789.64
  4. Step 4: Simplify right side
    14,653.02x = 105,287,590.75
  5. Step 5: Solve for x
    x = 105,287,590.75/14,653.02
  6. Step 6: Final answer
    x = 7,185.39

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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.