Home / 18,443.80-27,665.70-6,752.26

Finding the Fourth Proportional to 18,443.80, 27,665.70 and 6,752.26

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Solution

The fourth proportional to 18,443.80, 27,665.70 and 6,752.26 is: 10,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.80 : 27,665.70 = 6,752.26 : x
  2. Step 2: Convert to fraction form
    18,443.80/27,665.70 = 6,752.26/x
  3. Step 3: Cross multiply
    18,443.80x = 27,665.70 × 6,752.26
  4. Step 4: Simplify right side
    18,443.80x = 186,805,999.48
  5. Step 5: Solve for x
    x = 186,805,999.48/18,443.80
  6. Step 6: Final answer
    x = 10,128.39

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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.