Home / 13,623.09-20,437.17-4,738.05

Finding the Fourth Proportional to 13,623.09, 20,437.17 and 4,738.05

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Solution

The fourth proportional to 13,623.09, 20,437.17 and 4,738.05 is: 7,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.09 : 20,437.17 = 4,738.05 : x
  2. Step 2: Convert to fraction form
    13,623.09/20,437.17 = 4,738.05/x
  3. Step 3: Cross multiply
    13,623.09x = 20,437.17 × 4,738.05
  4. Step 4: Simplify right side
    13,623.09x = 96,832,333.32
  5. Step 5: Solve for x
    x = 96,832,333.32/13,623.09
  6. Step 6: Final answer
    x = 7,107.96

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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.