Home / 18,100.08-27,147.60-4,953.60

Finding the Fourth Proportional to 18,100.08, 27,147.60 and 4,953.60

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Solution

The fourth proportional to 18,100.08, 27,147.60 and 4,953.60 is: 7,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.08 : 27,147.60 = 4,953.60 : x
  2. Step 2: Convert to fraction form
    18,100.08/27,147.60 = 4,953.60/x
  3. Step 3: Cross multiply
    18,100.08x = 27,147.60 × 4,953.60
  4. Step 4: Simplify right side
    18,100.08x = 134,478,351.36
  5. Step 5: Solve for x
    x = 134,478,351.36/18,100.08
  6. Step 6: Final answer
    x = 7,429.71

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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.