Home / 13,127.63-19,691.75-4,363.23

Finding the Fourth Proportional to 13,127.63, 19,691.75 and 4,363.23

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Solution

The fourth proportional to 13,127.63, 19,691.75 and 4,363.23 is: 6,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.63 : 19,691.75 = 4,363.23 : x
  2. Step 2: Convert to fraction form
    13,127.63/19,691.75 = 4,363.23/x
  3. Step 3: Cross multiply
    13,127.63x = 19,691.75 × 4,363.23
  4. Step 4: Simplify right side
    13,127.63x = 85,919,634.35
  5. Step 5: Solve for x
    x = 85,919,634.35/13,127.63
  6. Step 6: Final answer
    x = 6,544.95

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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.