Home / 12,676.48-19,017.28-3,911.04

Finding the Fourth Proportional to 12,676.48, 19,017.28 and 3,911.04

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Solution

The fourth proportional to 12,676.48, 19,017.28 and 3,911.04 is: 5,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676.48 : 19,017.28 = 3,911.04 : x
  2. Step 2: Convert to fraction form
    12,676.48/19,017.28 = 3,911.04/x
  3. Step 3: Cross multiply
    12,676.48x = 19,017.28 × 3,911.04
  4. Step 4: Simplify right side
    12,676.48x = 74,377,342.77
  5. Step 5: Solve for x
    x = 74,377,342.77/12,676.48
  6. Step 6: Final answer
    x = 5,867.35

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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.