Home / 18,666.33-27,999.14-4,626.38

Finding the Fourth Proportional to 18,666.33, 27,999.14 and 4,626.38

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Solution

The fourth proportional to 18,666.33, 27,999.14 and 4,626.38 is: 6,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666.33 : 27,999.14 = 4,626.38 : x
  2. Step 2: Convert to fraction form
    18,666.33/27,999.14 = 4,626.38/x
  3. Step 3: Cross multiply
    18,666.33x = 27,999.14 × 4,626.38
  4. Step 4: Simplify right side
    18,666.33x = 129,534,661.31
  5. Step 5: Solve for x
    x = 129,534,661.31/18,666.33
  6. Step 6: Final answer
    x = 6,939.48

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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.