Home / 13,389.11-20,084.54-4,622.88

Finding the Fourth Proportional to 13,389.11, 20,084.54 and 4,622.88

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Solution

The fourth proportional to 13,389.11, 20,084.54 and 4,622.88 is: 6,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.11 : 20,084.54 = 4,622.88 : x
  2. Step 2: Convert to fraction form
    13,389.11/20,084.54 = 4,622.88/x
  3. Step 3: Cross multiply
    13,389.11x = 20,084.54 × 4,622.88
  4. Step 4: Simplify right side
    13,389.11x = 92,848,395.16
  5. Step 5: Solve for x
    x = 92,848,395.16/13,389.11
  6. Step 6: Final answer
    x = 6,934.62

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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.