Home / 13,663.34-20,470.29-6,273.98

Finding the Fourth Proportional to 13,663.34, 20,470.29 and 6,273.98

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Solution

The fourth proportional to 13,663.34, 20,470.29 and 6,273.98 is: 9,399.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.34 : 20,470.29 = 6,273.98 : x
  2. Step 2: Convert to fraction form
    13,663.34/20,470.29 = 6,273.98/x
  3. Step 3: Cross multiply
    13,663.34x = 20,470.29 × 6,273.98
  4. Step 4: Simplify right side
    13,663.34x = 128,430,190.05
  5. Step 5: Solve for x
    x = 128,430,190.05/13,663.34
  6. Step 6: Final answer
    x = 9,399.62

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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.