Home / 10,604.56-15,909.24-5,671.60

Finding the Fourth Proportional to 10,604.56, 15,909.24 and 5,671.60

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Solution

The fourth proportional to 10,604.56, 15,909.24 and 5,671.60 is: 8,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.56 : 15,909.24 = 5,671.60 : x
  2. Step 2: Convert to fraction form
    10,604.56/15,909.24 = 5,671.60/x
  3. Step 3: Cross multiply
    10,604.56x = 15,909.24 × 5,671.60
  4. Step 4: Simplify right side
    10,604.56x = 90,230,845.58
  5. Step 5: Solve for x
    x = 90,230,845.58/10,604.56
  6. Step 6: Final answer
    x = 8,508.68

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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.