Home / 18,435.48-27,664.16-9,672.90

Finding the Fourth Proportional to 18,435.48, 27,664.16 and 9,672.90

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Solution

The fourth proportional to 18,435.48, 27,664.16 and 9,672.90 is: 14,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.48 : 27,664.16 = 9,672.90 : x
  2. Step 2: Convert to fraction form
    18,435.48/27,664.16 = 9,672.90/x
  3. Step 3: Cross multiply
    18,435.48x = 27,664.16 × 9,672.90
  4. Step 4: Simplify right side
    18,435.48x = 267,592,604.90
  5. Step 5: Solve for x
    x = 267,592,604.90/18,435.48
  6. Step 6: Final answer
    x = 14,515.09

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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.