Home / 13,525.97-20,288.96-4,291.25

Finding the Fourth Proportional to 13,525.97, 20,288.96 and 4,291.25

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Solution

The fourth proportional to 13,525.97, 20,288.96 and 4,291.25 is: 6,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.97 : 20,288.96 = 4,291.25 : x
  2. Step 2: Convert to fraction form
    13,525.97/20,288.96 = 4,291.25/x
  3. Step 3: Cross multiply
    13,525.97x = 20,288.96 × 4,291.25
  4. Step 4: Simplify right side
    13,525.97x = 87,064,999.60
  5. Step 5: Solve for x
    x = 87,064,999.60/13,525.97
  6. Step 6: Final answer
    x = 6,436.88

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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.