Home / 18,164.12-27,249.56-6,317.40

Finding the Fourth Proportional to 18,164.12, 27,249.56 and 6,317.40

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Solution

The fourth proportional to 18,164.12, 27,249.56 and 6,317.40 is: 9,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.12 : 27,249.56 = 6,317.40 : x
  2. Step 2: Convert to fraction form
    18,164.12/27,249.56 = 6,317.40/x
  3. Step 3: Cross multiply
    18,164.12x = 27,249.56 × 6,317.40
  4. Step 4: Simplify right side
    18,164.12x = 172,146,370.34
  5. Step 5: Solve for x
    x = 172,146,370.34/18,164.12
  6. Step 6: Final answer
    x = 9,477.28

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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.