Home / 11,541.44-15,921.62-7,560.80

Finding the Fourth Proportional to 11,541.44, 15,921.62 and 7,560.80

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Solution

The fourth proportional to 11,541.44, 15,921.62 and 7,560.80 is: 10,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541.44 : 15,921.62 = 7,560.80 : x
  2. Step 2: Convert to fraction form
    11,541.44/15,921.62 = 7,560.80/x
  3. Step 3: Cross multiply
    11,541.44x = 15,921.62 × 7,560.80
  4. Step 4: Simplify right side
    11,541.44x = 120,380,184.50
  5. Step 5: Solve for x
    x = 120,380,184.50/11,541.44
  6. Step 6: Final answer
    x = 10,430.26

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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.