Home / 18,140.56-27,217.83-7,055.05

Finding the Fourth Proportional to 18,140.56, 27,217.83 and 7,055.05

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Solution

The fourth proportional to 18,140.56, 27,217.83 and 7,055.05 is: 10,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.56 : 27,217.83 = 7,055.05 : x
  2. Step 2: Convert to fraction form
    18,140.56/27,217.83 = 7,055.05/x
  3. Step 3: Cross multiply
    18,140.56x = 27,217.83 × 7,055.05
  4. Step 4: Simplify right side
    18,140.56x = 192,023,151.54
  5. Step 5: Solve for x
    x = 192,023,151.54/18,140.56
  6. Step 6: Final answer
    x = 10,585.29

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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.