Home / 12,519.30-18,773.55-6,276.90

Finding the Fourth Proportional to 12,519.30, 18,773.55 and 6,276.90

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Solution

The fourth proportional to 12,519.30, 18,773.55 and 6,276.90 is: 9,412.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.30 : 18,773.55 = 6,276.90 : x
  2. Step 2: Convert to fraction form
    12,519.30/18,773.55 = 6,276.90/x
  3. Step 3: Cross multiply
    12,519.30x = 18,773.55 × 6,276.90
  4. Step 4: Simplify right side
    12,519.30x = 117,839,696.00
  5. Step 5: Solve for x
    x = 117,839,696.00/12,519.30
  6. Step 6: Final answer
    x = 9,412.64

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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.