Home / 12,256.44-16,914.08-7,539

Finding the Fourth Proportional to 12,256.44, 16,914.08 and 7,539

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Solution

The fourth proportional to 12,256.44, 16,914.08 and 7,539 is: 10,403.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.44 : 16,914.08 = 7,539 : x
  2. Step 2: Convert to fraction form
    12,256.44/16,914.08 = 7,539/x
  3. Step 3: Cross multiply
    12,256.44x = 16,914.08 × 7,539
  4. Step 4: Simplify right side
    12,256.44x = 127,515,249.12
  5. Step 5: Solve for x
    x = 127,515,249.12/12,256.44
  6. Step 6: Final answer
    x = 10,403.94

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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.