Home / 18,190.47-27,289.01-7,516.85

Finding the Fourth Proportional to 18,190.47, 27,289.01 and 7,516.85

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Solution

The fourth proportional to 18,190.47, 27,289.01 and 7,516.85 is: 11,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.47 : 27,289.01 = 7,516.85 : x
  2. Step 2: Convert to fraction form
    18,190.47/27,289.01 = 7,516.85/x
  3. Step 3: Cross multiply
    18,190.47x = 27,289.01 × 7,516.85
  4. Step 4: Simplify right side
    18,190.47x = 205,127,418.23
  5. Step 5: Solve for x
    x = 205,127,418.23/18,190.47
  6. Step 6: Final answer
    x = 11,276.64

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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.