Home / 13,528.94-20,293.43-8,323.88

Finding the Fourth Proportional to 13,528.94, 20,293.43 and 8,323.88

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Solution

The fourth proportional to 13,528.94, 20,293.43 and 8,323.88 is: 12,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.94 : 20,293.43 = 8,323.88 : x
  2. Step 2: Convert to fraction form
    13,528.94/20,293.43 = 8,323.88/x
  3. Step 3: Cross multiply
    13,528.94x = 20,293.43 × 8,323.88
  4. Step 4: Simplify right side
    13,528.94x = 168,919,933.02
  5. Step 5: Solve for x
    x = 168,919,933.02/13,528.94
  6. Step 6: Final answer
    x = 12,485.83

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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.