Home / 12,744.26-17,588.88-7,439.30

Finding the Fourth Proportional to 12,744.26, 17,588.88 and 7,439.30

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Solution

The fourth proportional to 12,744.26, 17,588.88 and 7,439.30 is: 10,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.26 : 17,588.88 = 7,439.30 : x
  2. Step 2: Convert to fraction form
    12,744.26/17,588.88 = 7,439.30/x
  3. Step 3: Cross multiply
    12,744.26x = 17,588.88 × 7,439.30
  4. Step 4: Simplify right side
    12,744.26x = 130,848,954.98
  5. Step 5: Solve for x
    x = 130,848,954.98/12,744.26
  6. Step 6: Final answer
    x = 10,267.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.