Home / 13,963.51-20,917.86-9,269.56

Finding the Fourth Proportional to 13,963.51, 20,917.86 and 9,269.56

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Solution

The fourth proportional to 13,963.51, 20,917.86 and 9,269.56 is: 13,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.51 : 20,917.86 = 9,269.56 : x
  2. Step 2: Convert to fraction form
    13,963.51/20,917.86 = 9,269.56/x
  3. Step 3: Cross multiply
    13,963.51x = 20,917.86 × 9,269.56
  4. Step 4: Simplify right side
    13,963.51x = 193,899,358.34
  5. Step 5: Solve for x
    x = 193,899,358.34/13,963.51
  6. Step 6: Final answer
    x = 13,886.15

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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.