Home / 11,089.44-15,299.64-6,612.57

Finding the Fourth Proportional to 11,089.44, 15,299.64 and 6,612.57

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Solution

The fourth proportional to 11,089.44, 15,299.64 and 6,612.57 is: 9,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.44 : 15,299.64 = 6,612.57 : x
  2. Step 2: Convert to fraction form
    11,089.44/15,299.64 = 6,612.57/x
  3. Step 3: Cross multiply
    11,089.44x = 15,299.64 × 6,612.57
  4. Step 4: Simplify right side
    11,089.44x = 101,169,940.47
  5. Step 5: Solve for x
    x = 101,169,940.47/11,089.44
  6. Step 6: Final answer
    x = 9,123.09

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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.