Home / 10,575.68-15,861.98-2,784.48

Finding the Fourth Proportional to 10,575.68, 15,861.98 and 2,784.48

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Solution

The fourth proportional to 10,575.68, 15,861.98 and 2,784.48 is: 4,176.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.68 : 15,861.98 = 2,784.48 : x
  2. Step 2: Convert to fraction form
    10,575.68/15,861.98 = 2,784.48/x
  3. Step 3: Cross multiply
    10,575.68x = 15,861.98 × 2,784.48
  4. Step 4: Simplify right side
    10,575.68x = 44,167,352.15
  5. Step 5: Solve for x
    x = 44,167,352.15/10,575.68
  6. Step 6: Final answer
    x = 4,176.32

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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.