Home / 18,129.20-27,174.13-7,032.60

Finding the Fourth Proportional to 18,129.20, 27,174.13 and 7,032.60

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Solution

The fourth proportional to 18,129.20, 27,174.13 and 7,032.60 is: 10,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129.20 : 27,174.13 = 7,032.60 : x
  2. Step 2: Convert to fraction form
    18,129.20/27,174.13 = 7,032.60/x
  3. Step 3: Cross multiply
    18,129.20x = 27,174.13 × 7,032.60
  4. Step 4: Simplify right side
    18,129.20x = 191,104,769.06
  5. Step 5: Solve for x
    x = 191,104,769.06/18,129.20
  6. Step 6: Final answer
    x = 10,541.27

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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.