Home / 12,249.54-18,364.02-5,680.44

Finding the Fourth Proportional to 12,249.54, 18,364.02 and 5,680.44

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Solution

The fourth proportional to 12,249.54, 18,364.02 and 5,680.44 is: 8,515.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.54 : 18,364.02 = 5,680.44 : x
  2. Step 2: Convert to fraction form
    12,249.54/18,364.02 = 5,680.44/x
  3. Step 3: Cross multiply
    12,249.54x = 18,364.02 × 5,680.44
  4. Step 4: Simplify right side
    12,249.54x = 104,315,713.77
  5. Step 5: Solve for x
    x = 104,315,713.77/12,249.54
  6. Step 6: Final answer
    x = 8,515.89

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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.