Home / 12,618.28-18,962.04-11,795.44

Finding the Fourth Proportional to 12,618.28, 18,962.04 and 11,795.44

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Solution

The fourth proportional to 12,618.28, 18,962.04 and 11,795.44 is: 17,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618.28 : 18,962.04 = 11,795.44 : x
  2. Step 2: Convert to fraction form
    12,618.28/18,962.04 = 11,795.44/x
  3. Step 3: Cross multiply
    12,618.28x = 18,962.04 × 11,795.44
  4. Step 4: Simplify right side
    12,618.28x = 223,665,605.10
  5. Step 5: Solve for x
    x = 223,665,605.10/12,618.28
  6. Step 6: Final answer
    x = 17,725.52

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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.