Home / 11,724.02-16,178.78-6,418.52

Finding the Fourth Proportional to 11,724.02, 16,178.78 and 6,418.52

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Solution

The fourth proportional to 11,724.02, 16,178.78 and 6,418.52 is: 8,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.02 : 16,178.78 = 6,418.52 : x
  2. Step 2: Convert to fraction form
    11,724.02/16,178.78 = 6,418.52/x
  3. Step 3: Cross multiply
    11,724.02x = 16,178.78 × 6,418.52
  4. Step 4: Simplify right side
    11,724.02x = 103,843,879.50
  5. Step 5: Solve for x
    x = 103,843,879.50/11,724.02
  6. Step 6: Final answer
    x = 8,857.36

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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.