Home / 18,349.09-27,516.64-7,812.46

Finding the Fourth Proportional to 18,349.09, 27,516.64 and 7,812.46

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Solution

The fourth proportional to 18,349.09, 27,516.64 and 7,812.46 is: 11,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.09 : 27,516.64 = 7,812.46 : x
  2. Step 2: Convert to fraction form
    18,349.09/27,516.64 = 7,812.46/x
  3. Step 3: Cross multiply
    18,349.09x = 27,516.64 × 7,812.46
  4. Step 4: Simplify right side
    18,349.09x = 214,972,649.33
  5. Step 5: Solve for x
    x = 214,972,649.33/18,349.09
  6. Step 6: Final answer
    x = 11,715.71

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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.