Home / 13,548.28-20,322.42-5,751.64

Finding the Fourth Proportional to 13,548.28, 20,322.42 and 5,751.64

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Solution

The fourth proportional to 13,548.28, 20,322.42 and 5,751.64 is: 8,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.28 : 20,322.42 = 5,751.64 : x
  2. Step 2: Convert to fraction form
    13,548.28/20,322.42 = 5,751.64/x
  3. Step 3: Cross multiply
    13,548.28x = 20,322.42 × 5,751.64
  4. Step 4: Simplify right side
    13,548.28x = 116,887,243.77
  5. Step 5: Solve for x
    x = 116,887,243.77/13,548.28
  6. Step 6: Final answer
    x = 8,627.46

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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.