Home / 13,485.48-20,229.30-10,327.47

Finding the Fourth Proportional to 13,485.48, 20,229.30 and 10,327.47

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Solution

The fourth proportional to 13,485.48, 20,229.30 and 10,327.47 is: 15,492.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.48 : 20,229.30 = 10,327.47 : x
  2. Step 2: Convert to fraction form
    13,485.48/20,229.30 = 10,327.47/x
  3. Step 3: Cross multiply
    13,485.48x = 20,229.30 × 10,327.47
  4. Step 4: Simplify right side
    13,485.48x = 208,917,488.87
  5. Step 5: Solve for x
    x = 208,917,488.87/13,485.48
  6. Step 6: Final answer
    x = 15,492.03

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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.