Home / 18,177.10-27,260.37-7,081.30

Finding the Fourth Proportional to 18,177.10, 27,260.37 and 7,081.30

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Solution

The fourth proportional to 18,177.10, 27,260.37 and 7,081.30 is: 10,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.10 : 27,260.37 = 7,081.30 : x
  2. Step 2: Convert to fraction form
    18,177.10/27,260.37 = 7,081.30/x
  3. Step 3: Cross multiply
    18,177.10x = 27,260.37 × 7,081.30
  4. Step 4: Simplify right side
    18,177.10x = 193,038,858.08
  5. Step 5: Solve for x
    x = 193,038,858.08/18,177.10
  6. Step 6: Final answer
    x = 10,619.89

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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.