Home / 13,512.52-20,268.80-5,304.52

Finding the Fourth Proportional to 13,512.52, 20,268.80 and 5,304.52

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Solution

The fourth proportional to 13,512.52, 20,268.80 and 5,304.52 is: 7,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.52 : 20,268.80 = 5,304.52 : x
  2. Step 2: Convert to fraction form
    13,512.52/20,268.80 = 5,304.52/x
  3. Step 3: Cross multiply
    13,512.52x = 20,268.80 × 5,304.52
  4. Step 4: Simplify right side
    13,512.52x = 107,516,254.98
  5. Step 5: Solve for x
    x = 107,516,254.98/13,512.52
  6. Step 6: Final answer
    x = 7,956.79

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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.