Home / 13,646.64-20,474.97-5,751.15

Finding the Fourth Proportional to 13,646.64, 20,474.97 and 5,751.15

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Solution

The fourth proportional to 13,646.64, 20,474.97 and 5,751.15 is: 8,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.64 : 20,474.97 = 5,751.15 : x
  2. Step 2: Convert to fraction form
    13,646.64/20,474.97 = 5,751.15/x
  3. Step 3: Cross multiply
    13,646.64x = 20,474.97 × 5,751.15
  4. Step 4: Simplify right side
    13,646.64x = 117,754,623.72
  5. Step 5: Solve for x
    x = 117,754,623.72/13,646.64
  6. Step 6: Final answer
    x = 8,628.84

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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.