Home / 14,015.97-21,018.83-4,654.26

Finding the Fourth Proportional to 14,015.97, 21,018.83 and 4,654.26

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Solution

The fourth proportional to 14,015.97, 21,018.83 and 4,654.26 is: 6,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.97 : 21,018.83 = 4,654.26 : x
  2. Step 2: Convert to fraction form
    14,015.97/21,018.83 = 4,654.26/x
  3. Step 3: Cross multiply
    14,015.97x = 21,018.83 × 4,654.26
  4. Step 4: Simplify right side
    14,015.97x = 97,827,076.44
  5. Step 5: Solve for x
    x = 97,827,076.44/14,015.97
  6. Step 6: Final answer
    x = 6,979.69

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1.5x scale

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.