Home / 18,102.36-27,145.38-6,412.92

Finding the Fourth Proportional to 18,102.36, 27,145.38 and 6,412.92

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Solution

The fourth proportional to 18,102.36, 27,145.38 and 6,412.92 is: 9,616.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.36 : 27,145.38 = 6,412.92 : x
  2. Step 2: Convert to fraction form
    18,102.36/27,145.38 = 6,412.92/x
  3. Step 3: Cross multiply
    18,102.36x = 27,145.38 × 6,412.92
  4. Step 4: Simplify right side
    18,102.36x = 174,081,150.31
  5. Step 5: Solve for x
    x = 174,081,150.31/18,102.36
  6. Step 6: Final answer
    x = 9,616.49

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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.