Home / 18,187.56-27,281.68-5,707.30

Finding the Fourth Proportional to 18,187.56, 27,281.68 and 5,707.30

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Solution

The fourth proportional to 18,187.56, 27,281.68 and 5,707.30 is: 8,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.56 : 27,281.68 = 5,707.30 : x
  2. Step 2: Convert to fraction form
    18,187.56/27,281.68 = 5,707.30/x
  3. Step 3: Cross multiply
    18,187.56x = 27,281.68 × 5,707.30
  4. Step 4: Simplify right side
    18,187.56x = 155,704,732.26
  5. Step 5: Solve for x
    x = 155,704,732.26/18,187.56
  6. Step 6: Final answer
    x = 8,561.06

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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.