Home / 13,249.20-18,273.24-11,652.40

Finding the Fourth Proportional to 13,249.20, 18,273.24 and 11,652.40

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Solution

The fourth proportional to 13,249.20, 18,273.24 and 11,652.40 is: 16,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.20 : 18,273.24 = 11,652.40 : x
  2. Step 2: Convert to fraction form
    13,249.20/18,273.24 = 11,652.40/x
  3. Step 3: Cross multiply
    13,249.20x = 18,273.24 × 11,652.40
  4. Step 4: Simplify right side
    13,249.20x = 212,927,101.78
  5. Step 5: Solve for x
    x = 212,927,101.78/13,249.20
  6. Step 6: Final answer
    x = 16,070.94

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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.