Home / 18,179.81-27,253.21-6,490.29

Finding the Fourth Proportional to 18,179.81, 27,253.21 and 6,490.29

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Solution

The fourth proportional to 18,179.81, 27,253.21 and 6,490.29 is: 9,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.81 : 27,253.21 = 6,490.29 : x
  2. Step 2: Convert to fraction form
    18,179.81/27,253.21 = 6,490.29/x
  3. Step 3: Cross multiply
    18,179.81x = 27,253.21 × 6,490.29
  4. Step 4: Simplify right side
    18,179.81x = 176,881,236.33
  5. Step 5: Solve for x
    x = 176,881,236.33/18,179.81
  6. Step 6: Final answer
    x = 9,729.54

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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.