Home / 10,519.12-15,780.30-3,592

Finding the Fourth Proportional to 10,519.12, 15,780.30 and 3,592

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Solution

The fourth proportional to 10,519.12, 15,780.30 and 3,592 is: 5,388.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.12 : 15,780.30 = 3,592 : x
  2. Step 2: Convert to fraction form
    10,519.12/15,780.30 = 3,592/x
  3. Step 3: Cross multiply
    10,519.12x = 15,780.30 × 3,592
  4. Step 4: Simplify right side
    10,519.12x = 56,682,837.60
  5. Step 5: Solve for x
    x = 56,682,837.60/10,519.12
  6. Step 6: Final answer
    x = 5,388.55

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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.