Home / 13,548.06-20,322.09-3,687.32

Finding the Fourth Proportional to 13,548.06, 20,322.09 and 3,687.32

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Solution

The fourth proportional to 13,548.06, 20,322.09 and 3,687.32 is: 5,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.06 : 20,322.09 = 3,687.32 : x
  2. Step 2: Convert to fraction form
    13,548.06/20,322.09 = 3,687.32/x
  3. Step 3: Cross multiply
    13,548.06x = 20,322.09 × 3,687.32
  4. Step 4: Simplify right side
    13,548.06x = 74,934,099.70
  5. Step 5: Solve for x
    x = 74,934,099.70/13,548.06
  6. Step 6: Final answer
    x = 5,530.98

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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.