Home / 18,078.36-27,120.18-5,599.50

Finding the Fourth Proportional to 18,078.36, 27,120.18 and 5,599.50

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Solution

The fourth proportional to 18,078.36, 27,120.18 and 5,599.50 is: 8,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,078.36 : 27,120.18 = 5,599.50 : x
  2. Step 2: Convert to fraction form
    18,078.36/27,120.18 = 5,599.50/x
  3. Step 3: Cross multiply
    18,078.36x = 27,120.18 × 5,599.50
  4. Step 4: Simplify right side
    18,078.36x = 151,859,447.91
  5. Step 5: Solve for x
    x = 151,859,447.91/18,078.36
  6. Step 6: Final answer
    x = 8,400.07

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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.