Home / 18,561.09-27,838.92-5,409.93

Finding the Fourth Proportional to 18,561.09, 27,838.92 and 5,409.93

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Solution

The fourth proportional to 18,561.09, 27,838.92 and 5,409.93 is: 8,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.09 : 27,838.92 = 5,409.93 : x
  2. Step 2: Convert to fraction form
    18,561.09/27,838.92 = 5,409.93/x
  3. Step 3: Cross multiply
    18,561.09x = 27,838.92 × 5,409.93
  4. Step 4: Simplify right side
    18,561.09x = 150,606,608.48
  5. Step 5: Solve for x
    x = 150,606,608.48/18,561.09
  6. Step 6: Final answer
    x = 8,114.10

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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.