Home / 11,877.02-16,390.77-6,571.75

Finding the Fourth Proportional to 11,877.02, 16,390.77 and 6,571.75

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Solution

The fourth proportional to 11,877.02, 16,390.77 and 6,571.75 is: 9,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.02 : 16,390.77 = 6,571.75 : x
  2. Step 2: Convert to fraction form
    11,877.02/16,390.77 = 6,571.75/x
  3. Step 3: Cross multiply
    11,877.02x = 16,390.77 × 6,571.75
  4. Step 4: Simplify right side
    11,877.02x = 107,716,042.75
  5. Step 5: Solve for x
    x = 107,716,042.75/11,877.02
  6. Step 6: Final answer
    x = 9,069.28

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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.