Home / 18,112.01-27,178.94-6,424.31

Finding the Fourth Proportional to 18,112.01, 27,178.94 and 6,424.31

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Solution

The fourth proportional to 18,112.01, 27,178.94 and 6,424.31 is: 9,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.01 : 27,178.94 = 6,424.31 : x
  2. Step 2: Convert to fraction form
    18,112.01/27,178.94 = 6,424.31/x
  3. Step 3: Cross multiply
    18,112.01x = 27,178.94 × 6,424.31
  4. Step 4: Simplify right side
    18,112.01x = 174,606,020.04
  5. Step 5: Solve for x
    x = 174,606,020.04/18,112.01
  6. Step 6: Final answer
    x = 9,640.35

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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.