Home / 18,294.36-27,422.71-7,196.55

Finding the Fourth Proportional to 18,294.36, 27,422.71 and 7,196.55

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Solution

The fourth proportional to 18,294.36, 27,422.71 and 7,196.55 is: 10,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.36 : 27,422.71 = 7,196.55 : x
  2. Step 2: Convert to fraction form
    18,294.36/27,422.71 = 7,196.55/x
  3. Step 3: Cross multiply
    18,294.36x = 27,422.71 × 7,196.55
  4. Step 4: Simplify right side
    18,294.36x = 197,348,867.67
  5. Step 5: Solve for x
    x = 197,348,867.67/18,294.36
  6. Step 6: Final answer
    x = 10,787.42

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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.