Home / 12,276.12-16,940.04-6,971.82

Finding the Fourth Proportional to 12,276.12, 16,940.04 and 6,971.82

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Solution

The fourth proportional to 12,276.12, 16,940.04 and 6,971.82 is: 9,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.12 : 16,940.04 = 6,971.82 : x
  2. Step 2: Convert to fraction form
    12,276.12/16,940.04 = 6,971.82/x
  3. Step 3: Cross multiply
    12,276.12x = 16,940.04 × 6,971.82
  4. Step 4: Simplify right side
    12,276.12x = 118,102,909.67
  5. Step 5: Solve for x
    x = 118,102,909.67/12,276.12
  6. Step 6: Final answer
    x = 9,620.54

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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.