Home / 13,606.18-20,410.03-4,247.49

Finding the Fourth Proportional to 13,606.18, 20,410.03 and 4,247.49

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Solution

The fourth proportional to 13,606.18, 20,410.03 and 4,247.49 is: 6,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.18 : 20,410.03 = 4,247.49 : x
  2. Step 2: Convert to fraction form
    13,606.18/20,410.03 = 4,247.49/x
  3. Step 3: Cross multiply
    13,606.18x = 20,410.03 × 4,247.49
  4. Step 4: Simplify right side
    13,606.18x = 86,691,341.47
  5. Step 5: Solve for x
    x = 86,691,341.47/13,606.18
  6. Step 6: Final answer
    x = 6,371.47

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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.