Home / 12,435.44-18,660.84-5,039.96

Finding the Fourth Proportional to 12,435.44, 18,660.84 and 5,039.96

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Solution

The fourth proportional to 12,435.44, 18,660.84 and 5,039.96 is: 7,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.44 : 18,660.84 = 5,039.96 : x
  2. Step 2: Convert to fraction form
    12,435.44/18,660.84 = 5,039.96/x
  3. Step 3: Cross multiply
    12,435.44x = 18,660.84 × 5,039.96
  4. Step 4: Simplify right side
    12,435.44x = 94,049,887.17
  5. Step 5: Solve for x
    x = 94,049,887.17/12,435.44
  6. Step 6: Final answer
    x = 7,563.05

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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.