Home / 11,931.36-17,898.48-3,166.44

Finding the Fourth Proportional to 11,931.36, 17,898.48 and 3,166.44

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Solution

The fourth proportional to 11,931.36, 17,898.48 and 3,166.44 is: 4,750.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.36 : 17,898.48 = 3,166.44 : x
  2. Step 2: Convert to fraction form
    11,931.36/17,898.48 = 3,166.44/x
  3. Step 3: Cross multiply
    11,931.36x = 17,898.48 × 3,166.44
  4. Step 4: Simplify right side
    11,931.36x = 56,674,463.01
  5. Step 5: Solve for x
    x = 56,674,463.01/11,931.36
  6. Step 6: Final answer
    x = 4,750.04

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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.