Home / 18,274.67-27,414.36-6,427.61

Finding the Fourth Proportional to 18,274.67, 27,414.36 and 6,427.61

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Solution

The fourth proportional to 18,274.67, 27,414.36 and 6,427.61 is: 9,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.67 : 27,414.36 = 6,427.61 : x
  2. Step 2: Convert to fraction form
    18,274.67/27,414.36 = 6,427.61/x
  3. Step 3: Cross multiply
    18,274.67x = 27,414.36 × 6,427.61
  4. Step 4: Simplify right side
    18,274.67x = 176,208,814.48
  5. Step 5: Solve for x
    x = 176,208,814.48/18,274.67
  6. Step 6: Final answer
    x = 9,642.24

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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.