Home / 18,165.36-27,249.20-4,838.13

Finding the Fourth Proportional to 18,165.36, 27,249.20 and 4,838.13

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Solution

The fourth proportional to 18,165.36, 27,249.20 and 4,838.13 is: 7,257.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.36 : 27,249.20 = 4,838.13 : x
  2. Step 2: Convert to fraction form
    18,165.36/27,249.20 = 4,838.13/x
  3. Step 3: Cross multiply
    18,165.36x = 27,249.20 × 4,838.13
  4. Step 4: Simplify right side
    18,165.36x = 131,835,147.81
  5. Step 5: Solve for x
    x = 131,835,147.81/18,165.36
  6. Step 6: Final answer
    x = 7,257.50

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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.