Home / 11,946.85-16,486.50-6,641.65

Finding the Fourth Proportional to 11,946.85, 16,486.50 and 6,641.65

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Solution

The fourth proportional to 11,946.85, 16,486.50 and 6,641.65 is: 9,165.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.85 : 16,486.50 = 6,641.65 : x
  2. Step 2: Convert to fraction form
    11,946.85/16,486.50 = 6,641.65/x
  3. Step 3: Cross multiply
    11,946.85x = 16,486.50 × 6,641.65
  4. Step 4: Simplify right side
    11,946.85x = 109,497,562.73
  5. Step 5: Solve for x
    x = 109,497,562.73/11,946.85
  6. Step 6: Final answer
    x = 9,165.39

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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.