Home / 11,410.36-15,731.96-8,724.87

Finding the Fourth Proportional to 11,410.36, 15,731.96 and 8,724.87

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Solution

The fourth proportional to 11,410.36, 15,731.96 and 8,724.87 is: 12,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,410.36 : 15,731.96 = 8,724.87 : x
  2. Step 2: Convert to fraction form
    11,410.36/15,731.96 = 8,724.87/x
  3. Step 3: Cross multiply
    11,410.36x = 15,731.96 × 8,724.87
  4. Step 4: Simplify right side
    11,410.36x = 137,259,262.22
  5. Step 5: Solve for x
    x = 137,259,262.22/11,410.36
  6. Step 6: Final answer
    x = 12,029.36

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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.