Home / 15,225.44-20,997.50-9,560.72

Finding the Fourth Proportional to 15,225.44, 20,997.50 and 9,560.72

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Solution

The fourth proportional to 15,225.44, 20,997.50 and 9,560.72 is: 13,185.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,225.44 : 20,997.50 = 9,560.72 : x
  2. Step 2: Convert to fraction form
    15,225.44/20,997.50 = 9,560.72/x
  3. Step 3: Cross multiply
    15,225.44x = 20,997.50 × 9,560.72
  4. Step 4: Simplify right side
    15,225.44x = 200,751,065.41
  5. Step 5: Solve for x
    x = 200,751,065.41/15,225.44
  6. Step 6: Final answer
    x = 13,185.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.