Home / 12,844.20-19,251.90-6,601.80

Finding the Fourth Proportional to 12,844.20, 19,251.90 and 6,601.80

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Solution

The fourth proportional to 12,844.20, 19,251.90 and 6,601.80 is: 9,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.20 : 19,251.90 = 6,601.80 : x
  2. Step 2: Convert to fraction form
    12,844.20/19,251.90 = 6,601.80/x
  3. Step 3: Cross multiply
    12,844.20x = 19,251.90 × 6,601.80
  4. Step 4: Simplify right side
    12,844.20x = 127,097,193.42
  5. Step 5: Solve for x
    x = 127,097,193.42/12,844.20
  6. Step 6: Final answer
    x = 9,895.30

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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.