Home / 11,509.92-17,266.56-3,719.52

Finding the Fourth Proportional to 11,509.92, 17,266.56 and 3,719.52

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Solution

The fourth proportional to 11,509.92, 17,266.56 and 3,719.52 is: 5,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509.92 : 17,266.56 = 3,719.52 : x
  2. Step 2: Convert to fraction form
    11,509.92/17,266.56 = 3,719.52/x
  3. Step 3: Cross multiply
    11,509.92x = 17,266.56 × 3,719.52
  4. Step 4: Simplify right side
    11,509.92x = 64,223,315.25
  5. Step 5: Solve for x
    x = 64,223,315.25/11,509.92
  6. Step 6: Final answer
    x = 5,579.82

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Why These Related Problems?

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