Home / 14,219.26-21,331.40-4,857.09

Finding the Fourth Proportional to 14,219.26, 21,331.40 and 4,857.09

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Solution

The fourth proportional to 14,219.26, 21,331.40 and 4,857.09 is: 7,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.26 : 21,331.40 = 4,857.09 : x
  2. Step 2: Convert to fraction form
    14,219.26/21,331.40 = 4,857.09/x
  3. Step 3: Cross multiply
    14,219.26x = 21,331.40 × 4,857.09
  4. Step 4: Simplify right side
    14,219.26x = 103,608,529.63
  5. Step 5: Solve for x
    x = 103,608,529.63/14,219.26
  6. Step 6: Final answer
    x = 7,286.49

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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.