Home / 11,190.48-15,441.64-6,473.88

Finding the Fourth Proportional to 11,190.48, 15,441.64 and 6,473.88

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Solution

The fourth proportional to 11,190.48, 15,441.64 and 6,473.88 is: 8,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.48 : 15,441.64 = 6,473.88 : x
  2. Step 2: Convert to fraction form
    11,190.48/15,441.64 = 6,473.88/x
  3. Step 3: Cross multiply
    11,190.48x = 15,441.64 × 6,473.88
  4. Step 4: Simplify right side
    11,190.48x = 99,967,324.36
  5. Step 5: Solve for x
    x = 99,967,324.36/11,190.48
  6. Step 6: Final answer
    x = 8,933.25

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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.