Home / 18,313.07-27,465.75-5,161.91

Finding the Fourth Proportional to 18,313.07, 27,465.75 and 5,161.91

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Solution

The fourth proportional to 18,313.07, 27,465.75 and 5,161.91 is: 7,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.07 : 27,465.75 = 5,161.91 : x
  2. Step 2: Convert to fraction form
    18,313.07/27,465.75 = 5,161.91/x
  3. Step 3: Cross multiply
    18,313.07x = 27,465.75 × 5,161.91
  4. Step 4: Simplify right side
    18,313.07x = 141,775,592.25
  5. Step 5: Solve for x
    x = 141,775,592.25/18,313.07
  6. Step 6: Final answer
    x = 7,741.77

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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.