Home / 11,197.32-15,451.40-6,481.91

Finding the Fourth Proportional to 11,197.32, 15,451.40 and 6,481.91

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Solution

The fourth proportional to 11,197.32, 15,451.40 and 6,481.91 is: 8,944.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.32 : 15,451.40 = 6,481.91 : x
  2. Step 2: Convert to fraction form
    11,197.32/15,451.40 = 6,481.91/x
  3. Step 3: Cross multiply
    11,197.32x = 15,451.40 × 6,481.91
  4. Step 4: Simplify right side
    11,197.32x = 100,154,474.51
  5. Step 5: Solve for x
    x = 100,154,474.51/11,197.32
  6. Step 6: Final answer
    x = 8,944.50

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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.