Home / 12,853.49-19,279.62-6,273.05

Finding the Fourth Proportional to 12,853.49, 19,279.62 and 6,273.05

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Solution

The fourth proportional to 12,853.49, 19,279.62 and 6,273.05 is: 9,409.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.49 : 19,279.62 = 6,273.05 : x
  2. Step 2: Convert to fraction form
    12,853.49/19,279.62 = 6,273.05/x
  3. Step 3: Cross multiply
    12,853.49x = 19,279.62 × 6,273.05
  4. Step 4: Simplify right side
    12,853.49x = 120,941,923.84
  5. Step 5: Solve for x
    x = 120,941,923.84/12,853.49
  6. Step 6: Final answer
    x = 9,409.27

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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.