Home / 18,150.49-27,218.69-7,055.71

Finding the Fourth Proportional to 18,150.49, 27,218.69 and 7,055.71

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Solution

The fourth proportional to 18,150.49, 27,218.69 and 7,055.71 is: 10,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.49 : 27,218.69 = 7,055.71 : x
  2. Step 2: Convert to fraction form
    18,150.49/27,218.69 = 7,055.71/x
  3. Step 3: Cross multiply
    18,150.49x = 27,218.69 × 7,055.71
  4. Step 4: Simplify right side
    18,150.49x = 192,047,147.94
  5. Step 5: Solve for x
    x = 192,047,147.94/18,150.49
  6. Step 6: Final answer
    x = 10,580.82

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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.