Home / 10,575.05-15,861.34-2,784.47

Finding the Fourth Proportional to 10,575.05, 15,861.34 and 2,784.47

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Solution

The fourth proportional to 10,575.05, 15,861.34 and 2,784.47 is: 4,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.05 : 15,861.34 = 2,784.47 : x
  2. Step 2: Convert to fraction form
    10,575.05/15,861.34 = 2,784.47/x
  3. Step 3: Cross multiply
    10,575.05x = 15,861.34 × 2,784.47
  4. Step 4: Simplify right side
    10,575.05x = 44,165,349.56
  5. Step 5: Solve for x
    x = 44,165,349.56/10,575.05
  6. Step 6: Final answer
    x = 4,176.37

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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.