Home / 18,542.13-27,816.68-7,449.69

Finding the Fourth Proportional to 18,542.13, 27,816.68 and 7,449.69

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Solution

The fourth proportional to 18,542.13, 27,816.68 and 7,449.69 is: 11,175.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542.13 : 27,816.68 = 7,449.69 : x
  2. Step 2: Convert to fraction form
    18,542.13/27,816.68 = 7,449.69/x
  3. Step 3: Cross multiply
    18,542.13x = 27,816.68 × 7,449.69
  4. Step 4: Simplify right side
    18,542.13x = 207,225,642.83
  5. Step 5: Solve for x
    x = 207,225,642.83/18,542.13
  6. Step 6: Final answer
    x = 11,175.94

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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.