Home / 8,748.11-13,107.54-6,146.39

Finding the Fourth Proportional to 8,748.11, 13,107.54 and 6,146.39

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Solution

The fourth proportional to 8,748.11, 13,107.54 and 6,146.39 is: 9,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.11 : 13,107.54 = 6,146.39 : x
  2. Step 2: Convert to fraction form
    8,748.11/13,107.54 = 6,146.39/x
  3. Step 3: Cross multiply
    8,748.11x = 13,107.54 × 6,146.39
  4. Step 4: Simplify right side
    8,748.11x = 80,564,108.60
  5. Step 5: Solve for x
    x = 80,564,108.60/8,748.11
  6. Step 6: Final answer
    x = 9,209.31

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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.