Home / 13,999.24-20,987.52-5,232.88

Finding the Fourth Proportional to 13,999.24, 20,987.52 and 5,232.88

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Solution

The fourth proportional to 13,999.24, 20,987.52 and 5,232.88 is: 7,845.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.24 : 20,987.52 = 5,232.88 : x
  2. Step 2: Convert to fraction form
    13,999.24/20,987.52 = 5,232.88/x
  3. Step 3: Cross multiply
    13,999.24x = 20,987.52 × 5,232.88
  4. Step 4: Simplify right side
    13,999.24x = 109,825,173.66
  5. Step 5: Solve for x
    x = 109,825,173.66/13,999.24
  6. Step 6: Final answer
    x = 7,845.08

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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.