Home / 11,022.48-16,533.72-7,124.76

Finding the Fourth Proportional to 11,022.48, 16,533.72 and 7,124.76

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Solution

The fourth proportional to 11,022.48, 16,533.72 and 7,124.76 is: 10,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.48 : 16,533.72 = 7,124.76 : x
  2. Step 2: Convert to fraction form
    11,022.48/16,533.72 = 7,124.76/x
  3. Step 3: Cross multiply
    11,022.48x = 16,533.72 × 7,124.76
  4. Step 4: Simplify right side
    11,022.48x = 117,798,786.91
  5. Step 5: Solve for x
    x = 117,798,786.91/11,022.48
  6. Step 6: Final answer
    x = 10,687.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.