Home / 18,333.04-27,499.68-7,239.28

Finding the Fourth Proportional to 18,333.04, 27,499.68 and 7,239.28

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Solution

The fourth proportional to 18,333.04, 27,499.68 and 7,239.28 is: 10,858.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.04 : 27,499.68 = 7,239.28 : x
  2. Step 2: Convert to fraction form
    18,333.04/27,499.68 = 7,239.28/x
  3. Step 3: Cross multiply
    18,333.04x = 27,499.68 × 7,239.28
  4. Step 4: Simplify right side
    18,333.04x = 199,077,883.43
  5. Step 5: Solve for x
    x = 199,077,883.43/18,333.04
  6. Step 6: Final answer
    x = 10,858.97

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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.