Home / 12,124.14-16,731.87-6,746.60

Finding the Fourth Proportional to 12,124.14, 16,731.87 and 6,746.60

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Solution

The fourth proportional to 12,124.14, 16,731.87 and 6,746.60 is: 9,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.14 : 16,731.87 = 6,746.60 : x
  2. Step 2: Convert to fraction form
    12,124.14/16,731.87 = 6,746.60/x
  3. Step 3: Cross multiply
    12,124.14x = 16,731.87 × 6,746.60
  4. Step 4: Simplify right side
    12,124.14x = 112,883,234.14
  5. Step 5: Solve for x
    x = 112,883,234.14/12,124.14
  6. Step 6: Final answer
    x = 9,310.62

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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.