Home / 12,320.44-17,002.20-6,731.44

Finding the Fourth Proportional to 12,320.44, 17,002.20 and 6,731.44

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Solution

The fourth proportional to 12,320.44, 17,002.20 and 6,731.44 is: 9,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.44 : 17,002.20 = 6,731.44 : x
  2. Step 2: Convert to fraction form
    12,320.44/17,002.20 = 6,731.44/x
  3. Step 3: Cross multiply
    12,320.44x = 17,002.20 × 6,731.44
  4. Step 4: Simplify right side
    12,320.44x = 114,449,271.91
  5. Step 5: Solve for x
    x = 114,449,271.91/12,320.44
  6. Step 6: Final answer
    x = 9,289.38

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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.