Home / 13,203.41-19,805.72-5,406.75

Finding the Fourth Proportional to 13,203.41, 19,805.72 and 5,406.75

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Solution

The fourth proportional to 13,203.41, 19,805.72 and 5,406.75 is: 8,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.41 : 19,805.72 = 5,406.75 : x
  2. Step 2: Convert to fraction form
    13,203.41/19,805.72 = 5,406.75/x
  3. Step 3: Cross multiply
    13,203.41x = 19,805.72 × 5,406.75
  4. Step 4: Simplify right side
    13,203.41x = 107,084,549.58
  5. Step 5: Solve for x
    x = 107,084,549.58/13,203.41
  6. Step 6: Final answer
    x = 8,110.37

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1.5x scale

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.