Home / 18,403.54-27,606.23-5,257.86

Finding the Fourth Proportional to 18,403.54, 27,606.23 and 5,257.86

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Solution

The fourth proportional to 18,403.54, 27,606.23 and 5,257.86 is: 7,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.54 : 27,606.23 = 5,257.86 : x
  2. Step 2: Convert to fraction form
    18,403.54/27,606.23 = 5,257.86/x
  3. Step 3: Cross multiply
    18,403.54x = 27,606.23 × 5,257.86
  4. Step 4: Simplify right side
    18,403.54x = 145,149,692.47
  5. Step 5: Solve for x
    x = 145,149,692.47/18,403.54
  6. Step 6: Final answer
    x = 7,887.05

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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.