Home / 13,008.44-19,512.71-3,147.70

Finding the Fourth Proportional to 13,008.44, 19,512.71 and 3,147.70

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Solution

The fourth proportional to 13,008.44, 19,512.71 and 3,147.70 is: 4,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.44 : 19,512.71 = 3,147.70 : x
  2. Step 2: Convert to fraction form
    13,008.44/19,512.71 = 3,147.70/x
  3. Step 3: Cross multiply
    13,008.44x = 19,512.71 × 3,147.70
  4. Step 4: Simplify right side
    13,008.44x = 61,420,206.05
  5. Step 5: Solve for x
    x = 61,420,206.05/13,008.44
  6. Step 6: Final answer
    x = 4,721.57

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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.