Home / 12,646.10-18,974.69-6,795.88

Finding the Fourth Proportional to 12,646.10, 18,974.69 and 6,795.88

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Solution

The fourth proportional to 12,646.10, 18,974.69 and 6,795.88 is: 10,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646.10 : 18,974.69 = 6,795.88 : x
  2. Step 2: Convert to fraction form
    12,646.10/18,974.69 = 6,795.88/x
  3. Step 3: Cross multiply
    12,646.10x = 18,974.69 × 6,795.88
  4. Step 4: Simplify right side
    12,646.10x = 128,949,716.28
  5. Step 5: Solve for x
    x = 128,949,716.28/12,646.10
  6. Step 6: Final answer
    x = 10,196.80

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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.