Home / 11,671.65-16,106.87-6,635.73

Finding the Fourth Proportional to 11,671.65, 16,106.87 and 6,635.73

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Solution

The fourth proportional to 11,671.65, 16,106.87 and 6,635.73 is: 9,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.65 : 16,106.87 = 6,635.73 : x
  2. Step 2: Convert to fraction form
    11,671.65/16,106.87 = 6,635.73/x
  3. Step 3: Cross multiply
    11,671.65x = 16,106.87 × 6,635.73
  4. Step 4: Simplify right side
    11,671.65x = 106,880,807.29
  5. Step 5: Solve for x
    x = 106,880,807.29/11,671.65
  6. Step 6: Final answer
    x = 9,157.30

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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.