Home / 11,946.68-16,487.41-6,641.99

Finding the Fourth Proportional to 11,946.68, 16,487.41 and 6,641.99

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Solution

The fourth proportional to 11,946.68, 16,487.41 and 6,641.99 is: 9,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.68 : 16,487.41 = 6,641.99 : x
  2. Step 2: Convert to fraction form
    11,946.68/16,487.41 = 6,641.99/x
  3. Step 3: Cross multiply
    11,946.68x = 16,487.41 × 6,641.99
  4. Step 4: Simplify right side
    11,946.68x = 109,509,187.73
  5. Step 5: Solve for x
    x = 109,509,187.73/11,946.68
  6. Step 6: Final answer
    x = 9,166.50

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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.