Home / 13,815.84-20,725.23-5,052.66

Finding the Fourth Proportional to 13,815.84, 20,725.23 and 5,052.66

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Solution

The fourth proportional to 13,815.84, 20,725.23 and 5,052.66 is: 7,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815.84 : 20,725.23 = 5,052.66 : x
  2. Step 2: Convert to fraction form
    13,815.84/20,725.23 = 5,052.66/x
  3. Step 3: Cross multiply
    13,815.84x = 20,725.23 × 5,052.66
  4. Step 4: Simplify right side
    13,815.84x = 104,717,540.61
  5. Step 5: Solve for x
    x = 104,717,540.61/13,815.84
  6. Step 6: Final answer
    x = 7,579.53

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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.