Home / 13,203.49-19,791.30-4,878.17

Finding the Fourth Proportional to 13,203.49, 19,791.30 and 4,878.17

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Solution

The fourth proportional to 13,203.49, 19,791.30 and 4,878.17 is: 7,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.49 : 19,791.30 = 4,878.17 : x
  2. Step 2: Convert to fraction form
    13,203.49/19,791.30 = 4,878.17/x
  3. Step 3: Cross multiply
    13,203.49x = 19,791.30 × 4,878.17
  4. Step 4: Simplify right side
    13,203.49x = 96,545,325.92
  5. Step 5: Solve for x
    x = 96,545,325.92/13,203.49
  6. Step 6: Final answer
    x = 7,312.11

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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.