Home / 12,325.26-18,488.03-3,560.25

Finding the Fourth Proportional to 12,325.26, 18,488.03 and 3,560.25

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Solution

The fourth proportional to 12,325.26, 18,488.03 and 3,560.25 is: 5,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.26 : 18,488.03 = 3,560.25 : x
  2. Step 2: Convert to fraction form
    12,325.26/18,488.03 = 3,560.25/x
  3. Step 3: Cross multiply
    12,325.26x = 18,488.03 × 3,560.25
  4. Step 4: Simplify right side
    12,325.26x = 65,821,991.01
  5. Step 5: Solve for x
    x = 65,821,991.01/12,325.26
  6. Step 6: Final answer
    x = 5,340.41

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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.