Home / 12,811.11-19,214.51-4,044.75

Finding the Fourth Proportional to 12,811.11, 19,214.51 and 4,044.75

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Solution

The fourth proportional to 12,811.11, 19,214.51 and 4,044.75 is: 6,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811.11 : 19,214.51 = 4,044.75 : x
  2. Step 2: Convert to fraction form
    12,811.11/19,214.51 = 4,044.75/x
  3. Step 3: Cross multiply
    12,811.11x = 19,214.51 × 4,044.75
  4. Step 4: Simplify right side
    12,811.11x = 77,717,869.10
  5. Step 5: Solve for x
    x = 77,717,869.10/12,811.11
  6. Step 6: Final answer
    x = 6,066.44

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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.