Home / 13,973.50-20,966.33-5,207.28

Finding the Fourth Proportional to 13,973.50, 20,966.33 and 5,207.28

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Solution

The fourth proportional to 13,973.50, 20,966.33 and 5,207.28 is: 7,813.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.50 : 20,966.33 = 5,207.28 : x
  2. Step 2: Convert to fraction form
    13,973.50/20,966.33 = 5,207.28/x
  3. Step 3: Cross multiply
    13,973.50x = 20,966.33 × 5,207.28
  4. Step 4: Simplify right side
    13,973.50x = 109,177,550.88
  5. Step 5: Solve for x
    x = 109,177,550.88/13,973.50
  6. Step 6: Final answer
    x = 7,813.19

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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.