Home / 18,161.68-27,240.48-5,015.92

Finding the Fourth Proportional to 18,161.68, 27,240.48 and 5,015.92

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Solution

The fourth proportional to 18,161.68, 27,240.48 and 5,015.92 is: 7,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.68 : 27,240.48 = 5,015.92 : x
  2. Step 2: Convert to fraction form
    18,161.68/27,240.48 = 5,015.92/x
  3. Step 3: Cross multiply
    18,161.68x = 27,240.48 × 5,015.92
  4. Step 4: Simplify right side
    18,161.68x = 136,636,068.44
  5. Step 5: Solve for x
    x = 136,636,068.44/18,161.68
  6. Step 6: Final answer
    x = 7,523.32

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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.