Home / 12,253.11-18,356.48-7,240.50

Finding the Fourth Proportional to 12,253.11, 18,356.48 and 7,240.50

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Solution

The fourth proportional to 12,253.11, 18,356.48 and 7,240.50 is: 10,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.11 : 18,356.48 = 7,240.50 : x
  2. Step 2: Convert to fraction form
    12,253.11/18,356.48 = 7,240.50/x
  3. Step 3: Cross multiply
    12,253.11x = 18,356.48 × 7,240.50
  4. Step 4: Simplify right side
    12,253.11x = 132,910,093.44
  5. Step 5: Solve for x
    x = 132,910,093.44/12,253.11
  6. Step 6: Final answer
    x = 10,847.05

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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.