Home / 13,269.90-18,311.73-7,301.82

Finding the Fourth Proportional to 13,269.90, 18,311.73 and 7,301.82

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Solution

The fourth proportional to 13,269.90, 18,311.73 and 7,301.82 is: 10,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.90 : 18,311.73 = 7,301.82 : x
  2. Step 2: Convert to fraction form
    13,269.90/18,311.73 = 7,301.82/x
  3. Step 3: Cross multiply
    13,269.90x = 18,311.73 × 7,301.82
  4. Step 4: Simplify right side
    13,269.90x = 133,708,956.35
  5. Step 5: Solve for x
    x = 133,708,956.35/13,269.90
  6. Step 6: Final answer
    x = 10,076.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.