Home / 18,100.05-27,146.73-7,567.21

Finding the Fourth Proportional to 18,100.05, 27,146.73 and 7,567.21

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Solution

The fourth proportional to 18,100.05, 27,146.73 and 7,567.21 is: 11,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.05 : 27,146.73 = 7,567.21 : x
  2. Step 2: Convert to fraction form
    18,100.05/27,146.73 = 7,567.21/x
  3. Step 3: Cross multiply
    18,100.05x = 27,146.73 × 7,567.21
  4. Step 4: Simplify right side
    18,100.05x = 205,425,006.72
  5. Step 5: Solve for x
    x = 205,425,006.72/18,100.05
  6. Step 6: Final answer
    x = 11,349.42

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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.