Home / 13,677.12-20,501.04-9,769.68

Finding the Fourth Proportional to 13,677.12, 20,501.04 and 9,769.68

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Solution

The fourth proportional to 13,677.12, 20,501.04 and 9,769.68 is: 14,644.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.12 : 20,501.04 = 9,769.68 : x
  2. Step 2: Convert to fraction form
    13,677.12/20,501.04 = 9,769.68/x
  3. Step 3: Cross multiply
    13,677.12x = 20,501.04 × 9,769.68
  4. Step 4: Simplify right side
    13,677.12x = 200,288,600.47
  5. Step 5: Solve for x
    x = 200,288,600.47/13,677.12
  6. Step 6: Final answer
    x = 14,644.06

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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.