Home / 13,548.54-20,322.80-5,751.88

Finding the Fourth Proportional to 13,548.54, 20,322.80 and 5,751.88

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Solution

The fourth proportional to 13,548.54, 20,322.80 and 5,751.88 is: 8,627.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.54 : 20,322.80 = 5,751.88 : x
  2. Step 2: Convert to fraction form
    13,548.54/20,322.80 = 5,751.88/x
  3. Step 3: Cross multiply
    13,548.54x = 20,322.80 × 5,751.88
  4. Step 4: Simplify right side
    13,548.54x = 116,894,306.86
  5. Step 5: Solve for x
    x = 116,894,306.86/13,548.54
  6. Step 6: Final answer
    x = 8,627.82

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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.