Home / 18,288.60-27,447.24-9,403.52

Finding the Fourth Proportional to 18,288.60, 27,447.24 and 9,403.52

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Solution

The fourth proportional to 18,288.60, 27,447.24 and 9,403.52 is: 14,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.60 : 27,447.24 = 9,403.52 : x
  2. Step 2: Convert to fraction form
    18,288.60/27,447.24 = 9,403.52/x
  3. Step 3: Cross multiply
    18,288.60x = 27,447.24 × 9,403.52
  4. Step 4: Simplify right side
    18,288.60x = 258,100,670.28
  5. Step 5: Solve for x
    x = 258,100,670.28/18,288.60
  6. Step 6: Final answer
    x = 14,112.65

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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.