Home / 13,620.52-20,418.45-9,462.48

Finding the Fourth Proportional to 13,620.52, 20,418.45 and 9,462.48

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Solution

The fourth proportional to 13,620.52, 20,418.45 and 9,462.48 is: 14,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620.52 : 20,418.45 = 9,462.48 : x
  2. Step 2: Convert to fraction form
    13,620.52/20,418.45 = 9,462.48/x
  3. Step 3: Cross multiply
    13,620.52x = 20,418.45 × 9,462.48
  4. Step 4: Simplify right side
    13,620.52x = 193,209,174.76
  5. Step 5: Solve for x
    x = 193,209,174.76/13,620.52
  6. Step 6: Final answer
    x = 14,185.15

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1.5x scale

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.