Home / 10,220.64-15,318.14-4,370.37

Finding the Fourth Proportional to 10,220.64, 15,318.14 and 4,370.37

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Solution

The fourth proportional to 10,220.64, 15,318.14 and 4,370.37 is: 6,550.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.64 : 15,318.14 = 4,370.37 : x
  2. Step 2: Convert to fraction form
    10,220.64/15,318.14 = 4,370.37/x
  3. Step 3: Cross multiply
    10,220.64x = 15,318.14 × 4,370.37
  4. Step 4: Simplify right side
    10,220.64x = 66,945,917.66
  5. Step 5: Solve for x
    x = 66,945,917.66/10,220.64
  6. Step 6: Final answer
    x = 6,550.07

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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.