Home / 11,674.87-16,114.75-6,641.90

Finding the Fourth Proportional to 11,674.87, 16,114.75 and 6,641.90

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Solution

The fourth proportional to 11,674.87, 16,114.75 and 6,641.90 is: 9,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.87 : 16,114.75 = 6,641.90 : x
  2. Step 2: Convert to fraction form
    11,674.87/16,114.75 = 6,641.90/x
  3. Step 3: Cross multiply
    11,674.87x = 16,114.75 × 6,641.90
  4. Step 4: Simplify right side
    11,674.87x = 107,032,521.28
  5. Step 5: Solve for x
    x = 107,032,521.28/11,674.87
  6. Step 6: Final answer
    x = 9,167.77

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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.