Home / 12,276.12-18,416.34-4,495.80

Finding the Fourth Proportional to 12,276.12, 18,416.34 and 4,495.80

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Solution

The fourth proportional to 12,276.12, 18,416.34 and 4,495.80 is: 6,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.12 : 18,416.34 = 4,495.80 : x
  2. Step 2: Convert to fraction form
    12,276.12/18,416.34 = 4,495.80/x
  3. Step 3: Cross multiply
    12,276.12x = 18,416.34 × 4,495.80
  4. Step 4: Simplify right side
    12,276.12x = 82,796,181.37
  5. Step 5: Solve for x
    x = 82,796,181.37/12,276.12
  6. Step 6: Final answer
    x = 6,744.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.