Home / 8,672.47-13,011.44-5,161.73

Finding the Fourth Proportional to 8,672.47, 13,011.44 and 5,161.73

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Solution

The fourth proportional to 8,672.47, 13,011.44 and 5,161.73 is: 7,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.47 : 13,011.44 = 5,161.73 : x
  2. Step 2: Convert to fraction form
    8,672.47/13,011.44 = 5,161.73/x
  3. Step 3: Cross multiply
    8,672.47x = 13,011.44 × 5,161.73
  4. Step 4: Simplify right side
    8,672.47x = 67,161,449.33
  5. Step 5: Solve for x
    x = 67,161,449.33/8,672.47
  6. Step 6: Final answer
    x = 7,744.21

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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.