Home / 10,245.36-15,370.50-3,319.86

Finding the Fourth Proportional to 10,245.36, 15,370.50 and 3,319.86

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Solution

The fourth proportional to 10,245.36, 15,370.50 and 3,319.86 is: 4,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.36 : 15,370.50 = 3,319.86 : x
  2. Step 2: Convert to fraction form
    10,245.36/15,370.50 = 3,319.86/x
  3. Step 3: Cross multiply
    10,245.36x = 15,370.50 × 3,319.86
  4. Step 4: Simplify right side
    10,245.36x = 51,027,908.13
  5. Step 5: Solve for x
    x = 51,027,908.13/10,245.36
  6. Step 6: Final answer
    x = 4,980.59

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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.