Home / 10,245.10-15,370.35-3,670.60

Finding the Fourth Proportional to 10,245.10, 15,370.35 and 3,670.60

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Solution

The fourth proportional to 10,245.10, 15,370.35 and 3,670.60 is: 5,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.10 : 15,370.35 = 3,670.60 : x
  2. Step 2: Convert to fraction form
    10,245.10/15,370.35 = 3,670.60/x
  3. Step 3: Cross multiply
    10,245.10x = 15,370.35 × 3,670.60
  4. Step 4: Simplify right side
    10,245.10x = 56,418,406.71
  5. Step 5: Solve for x
    x = 56,418,406.71/10,245.10
  6. Step 6: Final answer
    x = 5,506.87

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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.