Home / 13,517.37-18,652.12-7,548.27

Finding the Fourth Proportional to 13,517.37, 18,652.12 and 7,548.27

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Solution

The fourth proportional to 13,517.37, 18,652.12 and 7,548.27 is: 10,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.37 : 18,652.12 = 7,548.27 : x
  2. Step 2: Convert to fraction form
    13,517.37/18,652.12 = 7,548.27/x
  3. Step 3: Cross multiply
    13,517.37x = 18,652.12 × 7,548.27
  4. Step 4: Simplify right side
    13,517.37x = 140,791,200.09
  5. Step 5: Solve for x
    x = 140,791,200.09/13,517.37
  6. Step 6: Final answer
    x = 10,415.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.