Home / 13,108.73-19,655.12-5,894.60

Finding the Fourth Proportional to 13,108.73, 19,655.12 and 5,894.60

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Solution

The fourth proportional to 13,108.73, 19,655.12 and 5,894.60 is: 8,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.73 : 19,655.12 = 5,894.60 : x
  2. Step 2: Convert to fraction form
    13,108.73/19,655.12 = 5,894.60/x
  3. Step 3: Cross multiply
    13,108.73x = 19,655.12 × 5,894.60
  4. Step 4: Simplify right side
    13,108.73x = 115,858,986.81
  5. Step 5: Solve for x
    x = 115,858,986.81/13,108.73
  6. Step 6: Final answer
    x = 8,838.31

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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.