Home / 13,940.07-20,917.27-9,263.30

Finding the Fourth Proportional to 13,940.07, 20,917.27 and 9,263.30

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Solution

The fourth proportional to 13,940.07, 20,917.27 and 9,263.30 is: 13,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.07 : 20,917.27 = 9,263.30 : x
  2. Step 2: Convert to fraction form
    13,940.07/20,917.27 = 9,263.30/x
  3. Step 3: Cross multiply
    13,940.07x = 20,917.27 × 9,263.30
  4. Step 4: Simplify right side
    13,940.07x = 193,762,854.18
  5. Step 5: Solve for x
    x = 193,762,854.18/13,940.07
  6. Step 6: Final answer
    x = 13,899.71

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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.